Home / 748,458.68-1,121,931.38-322,272.44

Finding the Fourth Proportional to 748,458.68, 1,121,931.38 and 322,272.44

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Solution

The fourth proportional to 748,458.68, 1,121,931.38 and 322,272.44 is: 483,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,458.68 : 1,121,931.38 = 322,272.44 : x
  2. Step 2: Convert to fraction form
    748,458.68/1,121,931.38 = 322,272.44/x
  3. Step 3: Cross multiply
    748,458.68x = 1,121,931.38 × 322,272.44
  4. Step 4: Simplify right side
    748,458.68x = 361,567,563,345.17
  5. Step 5: Solve for x
    x = 361,567,563,345.17/748,458.68
  6. Step 6: Final answer
    x = 483,082.86

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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.