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Finding the Fourth Proportional to 616,087.83, 922,843.85 and 495,493.01

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Solution

The fourth proportional to 616,087.83, 922,843.85 and 495,493.01 is: 742,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,087.83 : 922,843.85 = 495,493.01 : x
  2. Step 2: Convert to fraction form
    616,087.83/922,843.85 = 495,493.01/x
  3. Step 3: Cross multiply
    616,087.83x = 922,843.85 × 495,493.01
  4. Step 4: Simplify right side
    616,087.83x = 457,262,669,904.80
  5. Step 5: Solve for x
    x = 457,262,669,904.80/616,087.83
  6. Step 6: Final answer
    x = 742,203.70

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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.