Home / 1,005,754.20-1,508,678.55-331,894.41

Finding the Fourth Proportional to 1,005,754.20, 1,508,678.55 and 331,894.41

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Solution

The fourth proportional to 1,005,754.20, 1,508,678.55 and 331,894.41 is: 497,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,754.20 : 1,508,678.55 = 331,894.41 : x
  2. Step 2: Convert to fraction form
    1,005,754.20/1,508,678.55 = 331,894.41/x
  3. Step 3: Cross multiply
    1,005,754.20x = 1,508,678.55 × 331,894.41
  4. Step 4: Simplify right side
    1,005,754.20x = 500,721,977,231.91
  5. Step 5: Solve for x
    x = 500,721,977,231.91/1,005,754.20
  6. Step 6: Final answer
    x = 497,857.21

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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.