Home / 881,060.20-1,215,878.18-499,077.48

Finding the Fourth Proportional to 881,060.20, 1,215,878.18 and 499,077.48

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Solution

The fourth proportional to 881,060.20, 1,215,878.18 and 499,077.48 is: 688,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,060.20 : 1,215,878.18 = 499,077.48 : x
  2. Step 2: Convert to fraction form
    881,060.20/1,215,878.18 = 499,077.48/x
  3. Step 3: Cross multiply
    881,060.20x = 1,215,878.18 × 499,077.48
  4. Step 4: Simplify right side
    881,060.20x = 606,817,418,061.39
  5. Step 5: Solve for x
    x = 606,817,418,061.39/881,060.20
  6. Step 6: Final answer
    x = 688,735.48

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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.