Home / 962,886.40-1,443,940.80-331,475.20

Finding the Fourth Proportional to 962,886.40, 1,443,940.80 and 331,475.20

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Solution

The fourth proportional to 962,886.40, 1,443,940.80 and 331,475.20 is: 497,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,886.40 : 1,443,940.80 = 331,475.20 : x
  2. Step 2: Convert to fraction form
    962,886.40/1,443,940.80 = 331,475.20/x
  3. Step 3: Cross multiply
    962,886.40x = 1,443,940.80 × 331,475.20
  4. Step 4: Simplify right side
    962,886.40x = 478,630,565,468.16
  5. Step 5: Solve for x
    x = 478,630,565,468.16/962,886.40
  6. Step 6: Final answer
    x = 497,078.95

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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.