Home / 702,659.52-1,053,990.72-328,944.96

Finding the Fourth Proportional to 702,659.52, 1,053,990.72 and 328,944.96

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Solution

The fourth proportional to 702,659.52, 1,053,990.72 and 328,944.96 is: 493,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,659.52 : 1,053,990.72 = 328,944.96 : x
  2. Step 2: Convert to fraction form
    702,659.52/1,053,990.72 = 328,944.96/x
  3. Step 3: Cross multiply
    702,659.52x = 1,053,990.72 × 328,944.96
  4. Step 4: Simplify right side
    702,659.52x = 346,704,935,230.77
  5. Step 5: Solve for x
    x = 346,704,935,230.77/702,659.52
  6. Step 6: Final answer
    x = 493,418.11

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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.