Home / 748,137.64-1,122,364.17-242,659.30

Finding the Fourth Proportional to 748,137.64, 1,122,364.17 and 242,659.30

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Solution

The fourth proportional to 748,137.64, 1,122,364.17 and 242,659.30 is: 364,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,137.64 : 1,122,364.17 = 242,659.30 : x
  2. Step 2: Convert to fraction form
    748,137.64/1,122,364.17 = 242,659.30/x
  3. Step 3: Cross multiply
    748,137.64x = 1,122,364.17 × 242,659.30
  4. Step 4: Simplify right side
    748,137.64x = 272,352,098,225.46
  5. Step 5: Solve for x
    x = 272,352,098,225.46/748,137.64
  6. Step 6: Final answer
    x = 364,040.10

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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.