Home / 724,523.40-1,086,785.10-607,300.20

Finding the Fourth Proportional to 724,523.40, 1,086,785.10 and 607,300.20

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Solution

The fourth proportional to 724,523.40, 1,086,785.10 and 607,300.20 is: 910,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,523.40 : 1,086,785.10 = 607,300.20 : x
  2. Step 2: Convert to fraction form
    724,523.40/1,086,785.10 = 607,300.20/x
  3. Step 3: Cross multiply
    724,523.40x = 1,086,785.10 × 607,300.20
  4. Step 4: Simplify right side
    724,523.40x = 660,004,808,587.02
  5. Step 5: Solve for x
    x = 660,004,808,587.02/724,523.40
  6. Step 6: Final answer
    x = 910,950.30

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Half scale
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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.