Home / 859,347.78-1,287,799.38-632,927.58

Finding the Fourth Proportional to 859,347.78, 1,287,799.38 and 632,927.58

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Solution

The fourth proportional to 859,347.78, 1,287,799.38 and 632,927.58 is: 948,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,347.78 : 1,287,799.38 = 632,927.58 : x
  2. Step 2: Convert to fraction form
    859,347.78/1,287,799.38 = 632,927.58/x
  3. Step 3: Cross multiply
    859,347.78x = 1,287,799.38 × 632,927.58
  4. Step 4: Simplify right side
    859,347.78x = 815,083,745,108.90
  5. Step 5: Solve for x
    x = 815,083,745,108.90/859,347.78
  6. Step 6: Final answer
    x = 948,491.13

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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.