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Finding the Fourth Proportional to 528,897.24, 729,697.95 and 338,020.74

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Solution

The fourth proportional to 528,897.24, 729,697.95 and 338,020.74 is: 466,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,897.24 : 729,697.95 = 338,020.74 : x
  2. Step 2: Convert to fraction form
    528,897.24/729,697.95 = 338,020.74/x
  3. Step 3: Cross multiply
    528,897.24x = 729,697.95 × 338,020.74
  4. Step 4: Simplify right side
    528,897.24x = 246,653,041,035.48
  5. Step 5: Solve for x
    x = 246,653,041,035.48/528,897.24
  6. Step 6: Final answer
    x = 466,353.43

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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.