Home / 704,755.46-1,057,264.35-320,531.96

Finding the Fourth Proportional to 704,755.46, 1,057,264.35 and 320,531.96

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Solution

The fourth proportional to 704,755.46, 1,057,264.35 and 320,531.96 is: 480,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,755.46 : 1,057,264.35 = 320,531.96 : x
  2. Step 2: Convert to fraction form
    704,755.46/1,057,264.35 = 320,531.96/x
  3. Step 3: Cross multiply
    704,755.46x = 1,057,264.35 × 320,531.96
  4. Step 4: Simplify right side
    704,755.46x = 338,887,014,343.63
  5. Step 5: Solve for x
    x = 338,887,014,343.63/704,755.46
  6. Step 6: Final answer
    x = 480,857.59

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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.