Home / 766,077.64-1,057,373.22-443,735.56

Finding the Fourth Proportional to 766,077.64, 1,057,373.22 and 443,735.56

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Solution

The fourth proportional to 766,077.64, 1,057,373.22 and 443,735.56 is: 612,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,077.64 : 1,057,373.22 = 443,735.56 : x
  2. Step 2: Convert to fraction form
    766,077.64/1,057,373.22 = 443,735.56/x
  3. Step 3: Cross multiply
    766,077.64x = 1,057,373.22 × 443,735.56
  4. Step 4: Simplify right side
    766,077.64x = 469,194,097,905.70
  5. Step 5: Solve for x
    x = 469,194,097,905.70/766,077.64
  6. Step 6: Final answer
    x = 612,462.85

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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.