Home / 633,979.09-949,391.17-443,547.89

Finding the Fourth Proportional to 633,979.09, 949,391.17 and 443,547.89

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Solution

The fourth proportional to 633,979.09, 949,391.17 and 443,547.89 is: 664,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,979.09 : 949,391.17 = 443,547.89 : x
  2. Step 2: Convert to fraction form
    633,979.09/949,391.17 = 443,547.89/x
  3. Step 3: Cross multiply
    633,979.09x = 949,391.17 × 443,547.89
  4. Step 4: Simplify right side
    633,979.09x = 421,100,445,491.18
  5. Step 5: Solve for x
    x = 421,100,445,491.18/633,979.09
  6. Step 6: Final answer
    x = 664,218.20

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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.