Home / 870,458.88-1,304,638.08-449,504.64

Finding the Fourth Proportional to 870,458.88, 1,304,638.08 and 449,504.64

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Solution

The fourth proportional to 870,458.88, 1,304,638.08 and 449,504.64 is: 673,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,458.88 : 1,304,638.08 = 449,504.64 : x
  2. Step 2: Convert to fraction form
    870,458.88/1,304,638.08 = 449,504.64/x
  3. Step 3: Cross multiply
    870,458.88x = 1,304,638.08 × 449,504.64
  4. Step 4: Simplify right side
    870,458.88x = 586,440,870,480.69
  5. Step 5: Solve for x
    x = 586,440,870,480.69/870,458.88
  6. Step 6: Final answer
    x = 673,714.62

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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.