Home / 424,554.13-637,126.43-274,422.04

Finding the Fourth Proportional to 424,554.13, 637,126.43 and 274,422.04

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Solution

The fourth proportional to 424,554.13, 637,126.43 and 274,422.04 is: 411,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,554.13 : 637,126.43 = 274,422.04 : x
  2. Step 2: Convert to fraction form
    424,554.13/637,126.43 = 274,422.04/x
  3. Step 3: Cross multiply
    424,554.13x = 637,126.43 × 274,422.04
  4. Step 4: Simplify right side
    424,554.13x = 174,841,534,658.52
  5. Step 5: Solve for x
    x = 174,841,534,658.52/424,554.13
  6. Step 6: Final answer
    x = 411,823.90

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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.