Home / 917,351.60-1,376,027.40-497,447.60

Finding the Fourth Proportional to 917,351.60, 1,376,027.40 and 497,447.60

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Solution

The fourth proportional to 917,351.60, 1,376,027.40 and 497,447.60 is: 746,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,351.60 : 1,376,027.40 = 497,447.60 : x
  2. Step 2: Convert to fraction form
    917,351.60/1,376,027.40 = 497,447.60/x
  3. Step 3: Cross multiply
    917,351.60x = 1,376,027.40 × 497,447.60
  4. Step 4: Simplify right side
    917,351.60x = 684,501,527,664.24
  5. Step 5: Solve for x
    x = 684,501,527,664.24/917,351.60
  6. Step 6: Final answer
    x = 746,171.40

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Half scale
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Double scale
Find fourth proportional to 917,352.60, 1,376,028.90 and 497,448.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.