Home / 748,139.62-1,122,367.26-242,661.34

Finding the Fourth Proportional to 748,139.62, 1,122,367.26 and 242,661.34

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Solution

The fourth proportional to 748,139.62, 1,122,367.26 and 242,661.34 is: 364,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,139.62 : 1,122,367.26 = 242,661.34 : x
  2. Step 2: Convert to fraction form
    748,139.62/1,122,367.26 = 242,661.34/x
  3. Step 3: Cross multiply
    748,139.62x = 1,122,367.26 × 242,661.34
  4. Step 4: Simplify right side
    748,139.62x = 272,355,143,283.73
  5. Step 5: Solve for x
    x = 272,355,143,283.73/748,139.62
  6. Step 6: Final answer
    x = 364,043.20

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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.