Home / 674,479.20-1,011,427.20-337,389.60

Finding the Fourth Proportional to 674,479.20, 1,011,427.20 and 337,389.60

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Solution

The fourth proportional to 674,479.20, 1,011,427.20 and 337,389.60 is: 505,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,479.20 : 1,011,427.20 = 337,389.60 : x
  2. Step 2: Convert to fraction form
    674,479.20/1,011,427.20 = 337,389.60/x
  3. Step 3: Cross multiply
    674,479.20x = 1,011,427.20 × 337,389.60
  4. Step 4: Simplify right side
    674,479.20x = 341,245,018,437.12
  5. Step 5: Solve for x
    x = 341,245,018,437.12/674,479.20
  6. Step 6: Final answer
    x = 505,938.54

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Half scale
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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.