Home / 534,862.04-738,103.39-289,841.90

Finding the Fourth Proportional to 534,862.04, 738,103.39 and 289,841.90

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Solution

The fourth proportional to 534,862.04, 738,103.39 and 289,841.90 is: 399,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,862.04 : 738,103.39 = 289,841.90 : x
  2. Step 2: Convert to fraction form
    534,862.04/738,103.39 = 289,841.90/x
  3. Step 3: Cross multiply
    534,862.04x = 738,103.39 × 289,841.90
  4. Step 4: Simplify right side
    534,862.04x = 213,933,284,538.92
  5. Step 5: Solve for x
    x = 213,933,284,538.92/534,862.04
  6. Step 6: Final answer
    x = 399,978.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.