Home / 729,837.52-1,006,889.76-423,861.60

Finding the Fourth Proportional to 729,837.52, 1,006,889.76 and 423,861.60

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Solution

The fourth proportional to 729,837.52, 1,006,889.76 and 423,861.60 is: 584,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,837.52 : 1,006,889.76 = 423,861.60 : x
  2. Step 2: Convert to fraction form
    729,837.52/1,006,889.76 = 423,861.60/x
  3. Step 3: Cross multiply
    729,837.52x = 1,006,889.76 × 423,861.60
  4. Step 4: Simplify right side
    729,837.52x = 426,781,904,697.22
  5. Step 5: Solve for x
    x = 426,781,904,697.22/729,837.52
  6. Step 6: Final answer
    x = 584,762.90

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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.