Home / 731,494.62-1,009,620.54-445,106.88

Finding the Fourth Proportional to 731,494.62, 1,009,620.54 and 445,106.88

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Solution

The fourth proportional to 731,494.62, 1,009,620.54 and 445,106.88 is: 614,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,494.62 : 1,009,620.54 = 445,106.88 : x
  2. Step 2: Convert to fraction form
    731,494.62/1,009,620.54 = 445,106.88/x
  3. Step 3: Cross multiply
    731,494.62x = 1,009,620.54 × 445,106.88
  4. Step 4: Simplify right side
    731,494.62x = 449,389,048,543.32
  5. Step 5: Solve for x
    x = 449,389,048,543.32/731,494.62
  6. Step 6: Final answer
    x = 614,343.61

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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.