Home / 746,119.52-1,029,641.70-406,587.80

Finding the Fourth Proportional to 746,119.52, 1,029,641.70 and 406,587.80

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Solution

The fourth proportional to 746,119.52, 1,029,641.70 and 406,587.80 is: 561,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,119.52 : 1,029,641.70 = 406,587.80 : x
  2. Step 2: Convert to fraction form
    746,119.52/1,029,641.70 = 406,587.80/x
  3. Step 3: Cross multiply
    746,119.52x = 1,029,641.70 × 406,587.80
  4. Step 4: Simplify right side
    746,119.52x = 418,639,753,591.26
  5. Step 5: Solve for x
    x = 418,639,753,591.26/746,119.52
  6. Step 6: Final answer
    x = 561,089.40

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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.