Home / 747,439.81-1,121,307.25-274,129.27

Finding the Fourth Proportional to 747,439.81, 1,121,307.25 and 274,129.27

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Solution

The fourth proportional to 747,439.81, 1,121,307.25 and 274,129.27 is: 411,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,439.81 : 1,121,307.25 = 274,129.27 : x
  2. Step 2: Convert to fraction form
    747,439.81/1,121,307.25 = 274,129.27/x
  3. Step 3: Cross multiply
    747,439.81x = 1,121,307.25 × 274,129.27
  4. Step 4: Simplify right side
    747,439.81x = 307,383,132,966.99
  5. Step 5: Solve for x
    x = 307,383,132,966.99/747,439.81
  6. Step 6: Final answer
    x = 411,248.01

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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.