Home / 784,454.40-1,083,064.82-602,836.20

Finding the Fourth Proportional to 784,454.40, 1,083,064.82 and 602,836.20

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Solution

The fourth proportional to 784,454.40, 1,083,064.82 and 602,836.20 is: 832,311.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,454.40 : 1,083,064.82 = 602,836.20 : x
  2. Step 2: Convert to fraction form
    784,454.40/1,083,064.82 = 602,836.20/x
  3. Step 3: Cross multiply
    784,454.40x = 1,083,064.82 × 602,836.20
  4. Step 4: Simplify right side
    784,454.40x = 652,910,680,442.48
  5. Step 5: Solve for x
    x = 652,910,680,442.48/784,454.40
  6. Step 6: Final answer
    x = 832,311.83

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Double scale
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Similar ratio
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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.