Home / 729,042.90-1,093,564.35-414,114.90

Finding the Fourth Proportional to 729,042.90, 1,093,564.35 and 414,114.90

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Solution

The fourth proportional to 729,042.90, 1,093,564.35 and 414,114.90 is: 621,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,042.90 : 1,093,564.35 = 414,114.90 : x
  2. Step 2: Convert to fraction form
    729,042.90/1,093,564.35 = 414,114.90/x
  3. Step 3: Cross multiply
    729,042.90x = 1,093,564.35 × 414,114.90
  4. Step 4: Simplify right side
    729,042.90x = 452,861,291,443.82
  5. Step 5: Solve for x
    x = 452,861,291,443.82/729,042.90
  6. Step 6: Final answer
    x = 621,172.35

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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.