Home / 748,137.39-1,122,363.87-242,659.11

Finding the Fourth Proportional to 748,137.39, 1,122,363.87 and 242,659.11

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Solution

The fourth proportional to 748,137.39, 1,122,363.87 and 242,659.11 is: 364,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,137.39 : 1,122,363.87 = 242,659.11 : x
  2. Step 2: Convert to fraction form
    748,137.39/1,122,363.87 = 242,659.11/x
  3. Step 3: Cross multiply
    748,137.39x = 1,122,363.87 × 242,659.11
  4. Step 4: Simplify right side
    748,137.39x = 272,351,817,790.36
  5. Step 5: Solve for x
    x = 272,351,817,790.36/748,137.39
  6. Step 6: Final answer
    x = 364,039.84

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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.