Home / 870,438.56-1,304,607.92-449,484.96

Finding the Fourth Proportional to 870,438.56, 1,304,607.92 and 449,484.96

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Solution

The fourth proportional to 870,438.56, 1,304,607.92 and 449,484.96 is: 673,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,438.56 : 1,304,607.92 = 449,484.96 : x
  2. Step 2: Convert to fraction form
    870,438.56/1,304,607.92 = 449,484.96/x
  3. Step 3: Cross multiply
    870,438.56x = 1,304,607.92 × 449,484.96
  4. Step 4: Simplify right side
    870,438.56x = 586,401,638,736.88
  5. Step 5: Solve for x
    x = 586,401,638,736.88/870,438.56
  6. Step 6: Final answer
    x = 673,685.27

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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.