Home / 731,722.20-1,009,933.50-445,334.52

Finding the Fourth Proportional to 731,722.20, 1,009,933.50 and 445,334.52

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Solution

The fourth proportional to 731,722.20, 1,009,933.50 and 445,334.52 is: 614,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,722.20 : 1,009,933.50 = 445,334.52 : x
  2. Step 2: Convert to fraction form
    731,722.20/1,009,933.50 = 445,334.52/x
  3. Step 3: Cross multiply
    731,722.20x = 1,009,933.50 × 445,334.52
  4. Step 4: Simplify right side
    731,722.20x = 449,758,250,454.42
  5. Step 5: Solve for x
    x = 449,758,250,454.42/731,722.20
  6. Step 6: Final answer
    x = 614,657.11

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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.