Home / 782,948.62-1,080,403.14-434,098.36

Finding the Fourth Proportional to 782,948.62, 1,080,403.14 and 434,098.36

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Solution

The fourth proportional to 782,948.62, 1,080,403.14 and 434,098.36 is: 599,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,948.62 : 1,080,403.14 = 434,098.36 : x
  2. Step 2: Convert to fraction form
    782,948.62/1,080,403.14 = 434,098.36/x
  3. Step 3: Cross multiply
    782,948.62x = 1,080,403.14 × 434,098.36
  4. Step 4: Simplify right side
    782,948.62x = 469,001,231,212.85
  5. Step 5: Solve for x
    x = 469,001,231,212.85/782,948.62
  6. Step 6: Final answer
    x = 599,019.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.