Home / 728,259.32-1,094,195.89-472,254.77

Finding the Fourth Proportional to 728,259.32, 1,094,195.89 and 472,254.77

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Solution

The fourth proportional to 728,259.32, 1,094,195.89 and 472,254.77 is: 709,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,259.32 : 1,094,195.89 = 472,254.77 : x
  2. Step 2: Convert to fraction form
    728,259.32/1,094,195.89 = 472,254.77/x
  3. Step 3: Cross multiply
    728,259.32x = 1,094,195.89 × 472,254.77
  4. Step 4: Simplify right side
    728,259.32x = 516,739,231,692.70
  5. Step 5: Solve for x
    x = 516,739,231,692.70/728,259.32
  6. Step 6: Final answer
    x = 709,553.89

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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.