Home / 782,304.46-1,079,542.82-480,440.14

Finding the Fourth Proportional to 782,304.46, 1,079,542.82 and 480,440.14

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Solution

The fourth proportional to 782,304.46, 1,079,542.82 and 480,440.14 is: 662,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,304.46 : 1,079,542.82 = 480,440.14 : x
  2. Step 2: Convert to fraction form
    782,304.46/1,079,542.82 = 480,440.14/x
  3. Step 3: Cross multiply
    782,304.46x = 1,079,542.82 × 480,440.14
  4. Step 4: Simplify right side
    782,304.46x = 518,655,703,576.80
  5. Step 5: Solve for x
    x = 518,655,703,576.80/782,304.46
  6. Step 6: Final answer
    x = 662,984.46

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Double scale
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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.