Home / 859,967.28-1,186,768.12-472,799.48

Finding the Fourth Proportional to 859,967.28, 1,186,768.12 and 472,799.48

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Solution

The fourth proportional to 859,967.28, 1,186,768.12 and 472,799.48 is: 652,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,967.28 : 1,186,768.12 = 472,799.48 : x
  2. Step 2: Convert to fraction form
    859,967.28/1,186,768.12 = 472,799.48/x
  3. Step 3: Cross multiply
    859,967.28x = 1,186,768.12 × 472,799.48
  4. Step 4: Simplify right side
    859,967.28x = 561,103,350,016.58
  5. Step 5: Solve for x
    x = 561,103,350,016.58/859,967.28
  6. Step 6: Final answer
    x = 652,470.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.