Home / 917,349.40-1,376,024.10-286,181.20

Finding the Fourth Proportional to 917,349.40, 1,376,024.10 and 286,181.20

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Solution

The fourth proportional to 917,349.40, 1,376,024.10 and 286,181.20 is: 429,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,349.40 : 1,376,024.10 = 286,181.20 : x
  2. Step 2: Convert to fraction form
    917,349.40/1,376,024.10 = 286,181.20/x
  3. Step 3: Cross multiply
    917,349.40x = 1,376,024.10 × 286,181.20
  4. Step 4: Simplify right side
    917,349.40x = 393,792,228,166.92
  5. Step 5: Solve for x
    x = 393,792,228,166.92/917,349.40
  6. Step 6: Final answer
    x = 429,271.80

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Double scale
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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.