Home / 534,750.20-802,125.30-476,689.40

Finding the Fourth Proportional to 534,750.20, 802,125.30 and 476,689.40

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Solution

The fourth proportional to 534,750.20, 802,125.30 and 476,689.40 is: 715,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,750.20 : 802,125.30 = 476,689.40 : x
  2. Step 2: Convert to fraction form
    534,750.20/802,125.30 = 476,689.40/x
  3. Step 3: Cross multiply
    534,750.20x = 802,125.30 × 476,689.40
  4. Step 4: Simplify right side
    534,750.20x = 382,364,627,981.82
  5. Step 5: Solve for x
    x = 382,364,627,981.82/534,750.20
  6. Step 6: Final answer
    x = 715,034.10

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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.