Home / 748,139.82-1,122,367.56-242,661.55

Finding the Fourth Proportional to 748,139.82, 1,122,367.56 and 242,661.55

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Solution

The fourth proportional to 748,139.82, 1,122,367.56 and 242,661.55 is: 364,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,139.82 : 1,122,367.56 = 242,661.55 : x
  2. Step 2: Convert to fraction form
    748,139.82/1,122,367.56 = 242,661.55/x
  3. Step 3: Cross multiply
    748,139.82x = 1,122,367.56 × 242,661.55
  4. Step 4: Simplify right side
    748,139.82x = 272,355,449,058.66
  5. Step 5: Solve for x
    x = 272,355,449,058.66/748,139.82
  6. Step 6: Final answer
    x = 364,043.51

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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.