Home / 637,981.60-956,972.40-449,024.80

Finding the Fourth Proportional to 637,981.60, 956,972.40 and 449,024.80

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Solution

The fourth proportional to 637,981.60, 956,972.40 and 449,024.80 is: 673,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,981.60 : 956,972.40 = 449,024.80 : x
  2. Step 2: Convert to fraction form
    637,981.60/956,972.40 = 449,024.80/x
  3. Step 3: Cross multiply
    637,981.60x = 956,972.40 × 449,024.80
  4. Step 4: Simplify right side
    637,981.60x = 429,704,340,515.52
  5. Step 5: Solve for x
    x = 429,704,340,515.52/637,981.60
  6. Step 6: Final answer
    x = 673,537.20

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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.