Home / 962,805.40-1,443,819.30-331,394.20

Finding the Fourth Proportional to 962,805.40, 1,443,819.30 and 331,394.20

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Solution

The fourth proportional to 962,805.40, 1,443,819.30 and 331,394.20 is: 496,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,805.40 : 1,443,819.30 = 331,394.20 : x
  2. Step 2: Convert to fraction form
    962,805.40/1,443,819.30 = 331,394.20/x
  3. Step 3: Cross multiply
    962,805.40x = 1,443,819.30 × 331,394.20
  4. Step 4: Simplify right side
    962,805.40x = 478,473,341,868.06
  5. Step 5: Solve for x
    x = 478,473,341,868.06/962,805.40
  6. Step 6: Final answer
    x = 496,957.48

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1.5x scale

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.