Home / 747,551.80-1,121,491.73-242,136.10

Finding the Fourth Proportional to 747,551.80, 1,121,491.73 and 242,136.10

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Solution

The fourth proportional to 747,551.80, 1,121,491.73 and 242,136.10 is: 363,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,551.80 : 1,121,491.73 = 242,136.10 : x
  2. Step 2: Convert to fraction form
    747,551.80/1,121,491.73 = 242,136.10/x
  3. Step 3: Cross multiply
    747,551.80x = 1,121,491.73 × 242,136.10
  4. Step 4: Simplify right side
    747,551.80x = 271,553,633,684.45
  5. Step 5: Solve for x
    x = 271,553,633,684.45/747,551.80
  6. Step 6: Final answer
    x = 363,257.28

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Double scale
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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.