Home / 748,288.80-1,122,425.52-432,544.80

Finding the Fourth Proportional to 748,288.80, 1,122,425.52 and 432,544.80

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Solution

The fourth proportional to 748,288.80, 1,122,425.52 and 432,544.80 is: 648,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,288.80 : 1,122,425.52 = 432,544.80 : x
  2. Step 2: Convert to fraction form
    748,288.80/1,122,425.52 = 432,544.80/x
  3. Step 3: Cross multiply
    748,288.80x = 1,122,425.52 × 432,544.80
  4. Step 4: Simplify right side
    748,288.80x = 485,499,322,063.30
  5. Step 5: Solve for x
    x = 485,499,322,063.30/748,288.80
  6. Step 6: Final answer
    x = 648,812.76

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Double scale
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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.