Home / 748,132.09-1,122,355.85-242,653.76

Finding the Fourth Proportional to 748,132.09, 1,122,355.85 and 242,653.76

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Solution

The fourth proportional to 748,132.09, 1,122,355.85 and 242,653.76 is: 364,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,132.09 : 1,122,355.85 = 242,653.76 : x
  2. Step 2: Convert to fraction form
    748,132.09/1,122,355.85 = 242,653.76/x
  3. Step 3: Cross multiply
    748,132.09x = 1,122,355.85 × 242,653.76
  4. Step 4: Simplify right side
    748,132.09x = 272,343,870,372.93
  5. Step 5: Solve for x
    x = 272,343,870,372.93/748,132.09
  6. Step 6: Final answer
    x = 364,031.80

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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.