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Finding the Fourth Proportional to 659,487.64, 910,113.60 and 373,002.16

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Solution

The fourth proportional to 659,487.64, 910,113.60 and 373,002.16 is: 514,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,487.64 : 910,113.60 = 373,002.16 : x
  2. Step 2: Convert to fraction form
    659,487.64/910,113.60 = 373,002.16/x
  3. Step 3: Cross multiply
    659,487.64x = 910,113.60 × 373,002.16
  4. Step 4: Simplify right side
    659,487.64x = 339,474,338,645.38
  5. Step 5: Solve for x
    x = 339,474,338,645.38/659,487.64
  6. Step 6: Final answer
    x = 514,754.66

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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.