Home / 849,691.72-1,274,537.62-317,254.28

Finding the Fourth Proportional to 849,691.72, 1,274,537.62 and 317,254.28

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Solution

The fourth proportional to 849,691.72, 1,274,537.62 and 317,254.28 is: 475,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,691.72 : 1,274,537.62 = 317,254.28 : x
  2. Step 2: Convert to fraction form
    849,691.72/1,274,537.62 = 317,254.28/x
  3. Step 3: Cross multiply
    849,691.72x = 1,274,537.62 × 317,254.28
  4. Step 4: Simplify right side
    849,691.72x = 404,352,514,966.01
  5. Step 5: Solve for x
    x = 404,352,514,966.01/849,691.72
  6. Step 6: Final answer
    x = 475,881.43

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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.