Home / 754,014.40-1,040,513.46-414,480.20

Finding the Fourth Proportional to 754,014.40, 1,040,513.46 and 414,480.20

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Solution

The fourth proportional to 754,014.40, 1,040,513.46 and 414,480.20 is: 571,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,014.40 : 1,040,513.46 = 414,480.20 : x
  2. Step 2: Convert to fraction form
    754,014.40/1,040,513.46 = 414,480.20/x
  3. Step 3: Cross multiply
    754,014.40x = 1,040,513.46 × 414,480.20
  4. Step 4: Simplify right side
    754,014.40x = 431,272,227,003.49
  5. Step 5: Solve for x
    x = 431,272,227,003.49/754,014.40
  6. Step 6: Final answer
    x = 571,968.16

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