Home / 668,251.48-1,002,875.40-268,895.64

Finding the Fourth Proportional to 668,251.48, 1,002,875.40 and 268,895.64

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Solution

The fourth proportional to 668,251.48, 1,002,875.40 and 268,895.64 is: 403,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,251.48 : 1,002,875.40 = 268,895.64 : x
  2. Step 2: Convert to fraction form
    668,251.48/1,002,875.40 = 268,895.64/x
  3. Step 3: Cross multiply
    668,251.48x = 1,002,875.40 × 268,895.64
  4. Step 4: Simplify right side
    668,251.48x = 269,668,822,523.26
  5. Step 5: Solve for x
    x = 269,668,822,523.26/668,251.48
  6. Step 6: Final answer
    x = 403,543.92

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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.