Home / 709,500.15-1,064,250.23-372,410.55

Finding the Fourth Proportional to 709,500.15, 1,064,250.23 and 372,410.55

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Solution

The fourth proportional to 709,500.15, 1,064,250.23 and 372,410.55 is: 558,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,500.15 : 1,064,250.23 = 372,410.55 : x
  2. Step 2: Convert to fraction form
    709,500.15/1,064,250.23 = 372,410.55/x
  3. Step 3: Cross multiply
    709,500.15x = 1,064,250.23 × 372,410.55
  4. Step 4: Simplify right side
    709,500.15x = 396,338,011,629.87
  5. Step 5: Solve for x
    x = 396,338,011,629.87/709,500.15
  6. Step 6: Final answer
    x = 558,615.83

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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.