Home / 668,752.49-1,003,204.91-242,489.12

Finding the Fourth Proportional to 668,752.49, 1,003,204.91 and 242,489.12

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Solution

The fourth proportional to 668,752.49, 1,003,204.91 and 242,489.12 is: 363,761.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,752.49 : 1,003,204.91 = 242,489.12 : x
  2. Step 2: Convert to fraction form
    668,752.49/1,003,204.91 = 242,489.12/x
  3. Step 3: Cross multiply
    668,752.49x = 1,003,204.91 × 242,489.12
  4. Step 4: Simplify right side
    668,752.49x = 243,266,271,395.78
  5. Step 5: Solve for x
    x = 243,266,271,395.78/668,752.49
  6. Step 6: Final answer
    x = 363,761.29

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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.