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Finding the Fourth Proportional to 625,967.88, 863,756.46 and 371,269.32

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Solution

The fourth proportional to 625,967.88, 863,756.46 and 371,269.32 is: 512,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,967.88 : 863,756.46 = 371,269.32 : x
  2. Step 2: Convert to fraction form
    625,967.88/863,756.46 = 371,269.32/x
  3. Step 3: Cross multiply
    625,967.88x = 863,756.46 × 371,269.32
  4. Step 4: Simplify right side
    625,967.88x = 320,686,273,549.81
  5. Step 5: Solve for x
    x = 320,686,273,549.81/625,967.88
  6. Step 6: Final answer
    x = 512,304.68

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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.