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Finding the Fourth Proportional to 615,220.08, 922,737.96 and 510,710.64

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Solution

The fourth proportional to 615,220.08, 922,737.96 and 510,710.64 is: 765,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,220.08 : 922,737.96 = 510,710.64 : x
  2. Step 2: Convert to fraction form
    615,220.08/922,737.96 = 510,710.64/x
  3. Step 3: Cross multiply
    615,220.08x = 922,737.96 × 510,710.64
  4. Step 4: Simplify right side
    615,220.08x = 471,252,094,103.89
  5. Step 5: Solve for x
    x = 471,252,094,103.89/615,220.08
  6. Step 6: Final answer
    x = 765,989.46

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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.