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Finding the Fourth Proportional to 695,292.47, 959,084.57 and 408,576.77

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Solution

The fourth proportional to 695,292.47, 959,084.57 and 408,576.77 is: 563,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,292.47 : 959,084.57 = 408,576.77 : x
  2. Step 2: Convert to fraction form
    695,292.47/959,084.57 = 408,576.77/x
  3. Step 3: Cross multiply
    695,292.47x = 959,084.57 × 408,576.77
  4. Step 4: Simplify right side
    695,292.47x = 391,859,671,993.46
  5. Step 5: Solve for x
    x = 391,859,671,993.46/695,292.47
  6. Step 6: Final answer
    x = 563,589.70

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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.