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Finding the Fourth Proportional to 624,364.94, 861,626.28 and 337,885.04

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Solution

The fourth proportional to 624,364.94, 861,626.28 and 337,885.04 is: 466,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,364.94 : 861,626.28 = 337,885.04 : x
  2. Step 2: Convert to fraction form
    624,364.94/861,626.28 = 337,885.04/x
  3. Step 3: Cross multiply
    624,364.94x = 861,626.28 × 337,885.04
  4. Step 4: Simplify right side
    624,364.94x = 291,130,630,082.85
  5. Step 5: Solve for x
    x = 291,130,630,082.85/624,364.94
  6. Step 6: Final answer
    x = 466,282.80

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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.