Home / 962,843.40-1,443,876.30-331,432.20

Finding the Fourth Proportional to 962,843.40, 1,443,876.30 and 331,432.20

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Solution

The fourth proportional to 962,843.40, 1,443,876.30 and 331,432.20 is: 497,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,843.40 : 1,443,876.30 = 331,432.20 : x
  2. Step 2: Convert to fraction form
    962,843.40/1,443,876.30 = 331,432.20/x
  3. Step 3: Cross multiply
    962,843.40x = 1,443,876.30 × 331,432.20
  4. Step 4: Simplify right side
    962,843.40x = 478,547,098,636.86
  5. Step 5: Solve for x
    x = 478,547,098,636.86/962,843.40
  6. Step 6: Final answer
    x = 497,014.47

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Double scale
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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.