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Finding the Fourth Proportional to 656,477.08, 984,715.52 and 207,513.11

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Solution

The fourth proportional to 656,477.08, 984,715.52 and 207,513.11 is: 311,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,477.08 : 984,715.52 = 207,513.11 : x
  2. Step 2: Convert to fraction form
    656,477.08/984,715.52 = 207,513.11/x
  3. Step 3: Cross multiply
    656,477.08x = 984,715.52 × 207,513.11
  4. Step 4: Simplify right side
    656,477.08x = 204,341,381,444.69
  5. Step 5: Solve for x
    x = 204,341,381,444.69/656,477.08
  6. Step 6: Final answer
    x = 311,269.64

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Similar ratio
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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.