Home / 650,821.10-974,549.48-449,039.36

Finding the Fourth Proportional to 650,821.10, 974,549.48 and 449,039.36

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Solution

The fourth proportional to 650,821.10, 974,549.48 and 449,039.36 is: 672,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,821.10 : 974,549.48 = 449,039.36 : x
  2. Step 2: Convert to fraction form
    650,821.10/974,549.48 = 449,039.36/x
  3. Step 3: Cross multiply
    650,821.10x = 974,549.48 × 449,039.36
  4. Step 4: Simplify right side
    650,821.10x = 437,611,074,978.71
  5. Step 5: Solve for x
    x = 437,611,074,978.71/650,821.10
  6. Step 6: Final answer
    x = 672,398.42

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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.