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Finding the Fourth Proportional to 536,950.80, 807,175.80 and 380,264.40

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Solution

The fourth proportional to 536,950.80, 807,175.80 and 380,264.40 is: 571,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,950.80 : 807,175.80 = 380,264.40 : x
  2. Step 2: Convert to fraction form
    536,950.80/807,175.80 = 380,264.40/x
  3. Step 3: Cross multiply
    536,950.80x = 807,175.80 × 380,264.40
  4. Step 4: Simplify right side
    536,950.80x = 306,940,221,281.52
  5. Step 5: Solve for x
    x = 306,940,221,281.52/536,950.80
  6. Step 6: Final answer
    x = 571,635.65

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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.