Home / 702,127.10-1,053,234.39-281,348.30

Finding the Fourth Proportional to 702,127.10, 1,053,234.39 and 281,348.30

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Solution

The fourth proportional to 702,127.10, 1,053,234.39 and 281,348.30 is: 422,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,127.10 : 1,053,234.39 = 281,348.30 : x
  2. Step 2: Convert to fraction form
    702,127.10/1,053,234.39 = 281,348.30/x
  3. Step 3: Cross multiply
    702,127.10x = 1,053,234.39 × 281,348.30
  4. Step 4: Simplify right side
    702,127.10x = 296,325,708,816.18
  5. Step 5: Solve for x
    x = 296,325,708,816.18/702,127.10
  6. Step 6: Final answer
    x = 422,039.98

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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.