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Finding the Fourth Proportional to 614,550.30, 922,516.65 and 474,927.90

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Solution

The fourth proportional to 614,550.30, 922,516.65 and 474,927.90 is: 712,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,550.30 : 922,516.65 = 474,927.90 : x
  2. Step 2: Convert to fraction form
    614,550.30/922,516.65 = 474,927.90/x
  3. Step 3: Cross multiply
    614,550.30x = 922,516.65 × 474,927.90
  4. Step 4: Simplify right side
    614,550.30x = 438,128,895,299.54
  5. Step 5: Solve for x
    x = 438,128,895,299.54/614,550.30
  6. Step 6: Final answer
    x = 712,926.01

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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.