Home / 668,548.80-1,001,948.40-268,862.40

Finding the Fourth Proportional to 668,548.80, 1,001,948.40 and 268,862.40

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Solution

The fourth proportional to 668,548.80, 1,001,948.40 and 268,862.40 is: 402,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,548.80 : 1,001,948.40 = 268,862.40 : x
  2. Step 2: Convert to fraction form
    668,548.80/1,001,948.40 = 268,862.40/x
  3. Step 3: Cross multiply
    668,548.80x = 1,001,948.40 × 268,862.40
  4. Step 4: Simplify right side
    668,548.80x = 269,386,251,500.16
  5. Step 5: Solve for x
    x = 269,386,251,500.16/668,548.80
  6. Step 6: Final answer
    x = 402,941.79

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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.