Home / 880,689.40-1,321,034.10-565,502.20

Finding the Fourth Proportional to 880,689.40, 1,321,034.10 and 565,502.20

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Solution

The fourth proportional to 880,689.40, 1,321,034.10 and 565,502.20 is: 848,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,689.40 : 1,321,034.10 = 565,502.20 : x
  2. Step 2: Convert to fraction form
    880,689.40/1,321,034.10 = 565,502.20/x
  3. Step 3: Cross multiply
    880,689.40x = 1,321,034.10 × 565,502.20
  4. Step 4: Simplify right side
    880,689.40x = 747,047,689,825.02
  5. Step 5: Solve for x
    x = 747,047,689,825.02/880,689.40
  6. Step 6: Final answer
    x = 848,253.30

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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.