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Finding the Fourth Proportional to 629,436.90, 944,549.01 and 255,459.90

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Solution

The fourth proportional to 629,436.90, 944,549.01 and 255,459.90 is: 383,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,436.90 : 944,549.01 = 255,459.90 : x
  2. Step 2: Convert to fraction form
    629,436.90/944,549.01 = 255,459.90/x
  3. Step 3: Cross multiply
    629,436.90x = 944,549.01 × 255,459.90
  4. Step 4: Simplify right side
    629,436.90x = 241,294,395,639.70
  5. Step 5: Solve for x
    x = 241,294,395,639.70/629,436.90
  6. Step 6: Final answer
    x = 383,349.62

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1.5x scale

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.