Home / 679,204.20-1,018,806.30-364,276.20

Finding the Fourth Proportional to 679,204.20, 1,018,806.30 and 364,276.20

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Solution

The fourth proportional to 679,204.20, 1,018,806.30 and 364,276.20 is: 546,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,204.20 : 1,018,806.30 = 364,276.20 : x
  2. Step 2: Convert to fraction form
    679,204.20/1,018,806.30 = 364,276.20/x
  3. Step 3: Cross multiply
    679,204.20x = 1,018,806.30 × 364,276.20
  4. Step 4: Simplify right side
    679,204.20x = 371,126,887,500.06
  5. Step 5: Solve for x
    x = 371,126,887,500.06/679,204.20
  6. Step 6: Final answer
    x = 546,414.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.