Home / 847,007.31-1,270,417.97-247,974.34

Finding the Fourth Proportional to 847,007.31, 1,270,417.97 and 247,974.34

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Solution

The fourth proportional to 847,007.31, 1,270,417.97 and 247,974.34 is: 371,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,007.31 : 1,270,417.97 = 247,974.34 : x
  2. Step 2: Convert to fraction form
    847,007.31/1,270,417.97 = 247,974.34/x
  3. Step 3: Cross multiply
    847,007.31x = 1,270,417.97 × 247,974.34
  4. Step 4: Simplify right side
    847,007.31x = 315,031,053,887.76
  5. Step 5: Solve for x
    x = 315,031,053,887.76/847,007.31
  6. Step 6: Final answer
    x = 371,934.28

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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.