Home / 772,987.60-1,159,481.40-346,522.60

Finding the Fourth Proportional to 772,987.60, 1,159,481.40 and 346,522.60

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Solution

The fourth proportional to 772,987.60, 1,159,481.40 and 346,522.60 is: 519,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,987.60 : 1,159,481.40 = 346,522.60 : x
  2. Step 2: Convert to fraction form
    772,987.60/1,159,481.40 = 346,522.60/x
  3. Step 3: Cross multiply
    772,987.60x = 1,159,481.40 × 346,522.60
  4. Step 4: Simplify right side
    772,987.60x = 401,786,509,379.64
  5. Step 5: Solve for x
    x = 401,786,509,379.64/772,987.60
  6. Step 6: Final answer
    x = 519,783.90

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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.