Home / 748,169.69-1,122,412.16-242,691.20

Finding the Fourth Proportional to 748,169.69, 1,122,412.16 and 242,691.20

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Solution

The fourth proportional to 748,169.69, 1,122,412.16 and 242,691.20 is: 364,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,169.69 : 1,122,412.16 = 242,691.20 : x
  2. Step 2: Convert to fraction form
    748,169.69/1,122,412.16 = 242,691.20/x
  3. Step 3: Cross multiply
    748,169.69x = 1,122,412.16 × 242,691.20
  4. Step 4: Simplify right side
    748,169.69x = 272,399,555,597.57
  5. Step 5: Solve for x
    x = 272,399,555,597.57/748,169.69
  6. Step 6: Final answer
    x = 364,087.93

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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.