Home / 724,400.90-1,086,747.15-606,886.10

Finding the Fourth Proportional to 724,400.90, 1,086,747.15 and 606,886.10

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Solution

The fourth proportional to 724,400.90, 1,086,747.15 and 606,886.10 is: 910,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,400.90 : 1,086,747.15 = 606,886.10 : x
  2. Step 2: Convert to fraction form
    724,400.90/1,086,747.15 = 606,886.10/x
  3. Step 3: Cross multiply
    724,400.90x = 1,086,747.15 × 606,886.10
  4. Step 4: Simplify right side
    724,400.90x = 659,531,739,549.62
  5. Step 5: Solve for x
    x = 659,531,739,549.62/724,400.90
  6. Step 6: Final answer
    x = 910,451.30

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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.