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Finding the Fourth Proportional to 922,073.00, 1,272,551.45 and 559,468.40

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Solution

The fourth proportional to 922,073.00, 1,272,551.45 and 559,468.40 is: 772,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,073.00 : 1,272,551.45 = 559,468.40 : x
  2. Step 2: Convert to fraction form
    922,073.00/1,272,551.45 = 559,468.40/x
  3. Step 3: Cross multiply
    922,073.00x = 1,272,551.45 × 559,468.40
  4. Step 4: Simplify right side
    922,073.00x = 711,952,314,489.08
  5. Step 5: Solve for x
    x = 711,952,314,489.08/922,073.00
  6. Step 6: Final answer
    x = 772,121.42

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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.