Home / 766,102.64-1,057,060.68-443,793.44

Finding the Fourth Proportional to 766,102.64, 1,057,060.68 and 443,793.44

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Solution

The fourth proportional to 766,102.64, 1,057,060.68 and 443,793.44 is: 612,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,102.64 : 1,057,060.68 = 443,793.44 : x
  2. Step 2: Convert to fraction form
    766,102.64/1,057,060.68 = 443,793.44/x
  3. Step 3: Cross multiply
    766,102.64x = 1,057,060.68 × 443,793.44
  4. Step 4: Simplify right side
    766,102.64x = 469,116,595,465.94
  5. Step 5: Solve for x
    x = 469,116,595,465.94/766,102.64
  6. Step 6: Final answer
    x = 612,341.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.