Home / 668,426.76-1,002,033.21-247,407.39

Finding the Fourth Proportional to 668,426.76, 1,002,033.21 and 247,407.39

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Solution

The fourth proportional to 668,426.76, 1,002,033.21 and 247,407.39 is: 370,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,426.76 : 1,002,033.21 = 247,407.39 : x
  2. Step 2: Convert to fraction form
    668,426.76/1,002,033.21 = 247,407.39/x
  3. Step 3: Cross multiply
    668,426.76x = 1,002,033.21 × 247,407.39
  4. Step 4: Simplify right side
    668,426.76x = 247,910,421,179.42
  5. Step 5: Solve for x
    x = 247,910,421,179.42/668,426.76
  6. Step 6: Final answer
    x = 370,886.44

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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.