Home / 880,721.40-1,321,082.10-565,534.20

Finding the Fourth Proportional to 880,721.40, 1,321,082.10 and 565,534.20

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Solution

The fourth proportional to 880,721.40, 1,321,082.10 and 565,534.20 is: 848,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,721.40 : 1,321,082.10 = 565,534.20 : x
  2. Step 2: Convert to fraction form
    880,721.40/1,321,082.10 = 565,534.20/x
  3. Step 3: Cross multiply
    880,721.40x = 1,321,082.10 × 565,534.20
  4. Step 4: Simplify right side
    880,721.40x = 747,117,108,557.82
  5. Step 5: Solve for x
    x = 747,117,108,557.82/880,721.40
  6. Step 6: Final answer
    x = 848,301.30

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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.