Home / 734,862.30-1,102,293.45-419,351.10

Finding the Fourth Proportional to 734,862.30, 1,102,293.45 and 419,351.10

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Solution

The fourth proportional to 734,862.30, 1,102,293.45 and 419,351.10 is: 629,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,862.30 : 1,102,293.45 = 419,351.10 : x
  2. Step 2: Convert to fraction form
    734,862.30/1,102,293.45 = 419,351.10/x
  3. Step 3: Cross multiply
    734,862.30x = 1,102,293.45 × 419,351.10
  4. Step 4: Simplify right side
    734,862.30x = 462,247,970,780.30
  5. Step 5: Solve for x
    x = 462,247,970,780.30/734,862.30
  6. Step 6: Final answer
    x = 629,026.65

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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.