Home / 767,059.20-1,151,625.60-487,123.20

Finding the Fourth Proportional to 767,059.20, 1,151,625.60 and 487,123.20

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Solution

The fourth proportional to 767,059.20, 1,151,625.60 and 487,123.20 is: 731,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,059.20 : 1,151,625.60 = 487,123.20 : x
  2. Step 2: Convert to fraction form
    767,059.20/1,151,625.60 = 487,123.20/x
  3. Step 3: Cross multiply
    767,059.20x = 1,151,625.60 × 487,123.20
  4. Step 4: Simplify right side
    767,059.20x = 560,983,547,473.92
  5. Step 5: Solve for x
    x = 560,983,547,473.92/767,059.20
  6. Step 6: Final answer
    x = 731,343.22

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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.