Home / 668,420.52-1,002,381.30-268,926.36

Finding the Fourth Proportional to 668,420.52, 1,002,381.30 and 268,926.36

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Solution

The fourth proportional to 668,420.52, 1,002,381.30 and 268,926.36 is: 403,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,420.52 : 1,002,381.30 = 268,926.36 : x
  2. Step 2: Convert to fraction form
    668,420.52/1,002,381.30 = 268,926.36/x
  3. Step 3: Cross multiply
    668,420.52x = 1,002,381.30 × 268,926.36
  4. Step 4: Simplify right side
    668,420.52x = 269,566,754,341.07
  5. Step 5: Solve for x
    x = 269,566,754,341.07/668,420.52
  6. Step 6: Final answer
    x = 403,289.17

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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.