Home / 869,147.40-1,303,721.10-495,899.40

Finding the Fourth Proportional to 869,147.40, 1,303,721.10 and 495,899.40

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Solution

The fourth proportional to 869,147.40, 1,303,721.10 and 495,899.40 is: 743,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,147.40 : 1,303,721.10 = 495,899.40 : x
  2. Step 2: Convert to fraction form
    869,147.40/1,303,721.10 = 495,899.40/x
  3. Step 3: Cross multiply
    869,147.40x = 1,303,721.10 × 495,899.40
  4. Step 4: Simplify right side
    869,147.40x = 646,514,511,257.34
  5. Step 5: Solve for x
    x = 646,514,511,257.34/869,147.40
  6. Step 6: Final answer
    x = 743,849.10

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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.