Home / 997,514.40-1,495,287.45-491,661.30

Finding the Fourth Proportional to 997,514.40, 1,495,287.45 and 491,661.30

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Solution

The fourth proportional to 997,514.40, 1,495,287.45 and 491,661.30 is: 737,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,514.40 : 1,495,287.45 = 491,661.30 : x
  2. Step 2: Convert to fraction form
    997,514.40/1,495,287.45 = 491,661.30/x
  3. Step 3: Cross multiply
    997,514.40x = 1,495,287.45 × 491,661.30
  4. Step 4: Simplify right side
    997,514.40x = 735,174,971,540.69
  5. Step 5: Solve for x
    x = 735,174,971,540.69/997,514.40
  6. Step 6: Final answer
    x = 737,006.88

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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.