Home / 925,470.80-1,387,284.60-425,963.60

Finding the Fourth Proportional to 925,470.80, 1,387,284.60 and 425,963.60

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Solution

The fourth proportional to 925,470.80, 1,387,284.60 and 425,963.60 is: 638,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,470.80 : 1,387,284.60 = 425,963.60 : x
  2. Step 2: Convert to fraction form
    925,470.80/1,387,284.60 = 425,963.60/x
  3. Step 3: Cross multiply
    925,470.80x = 1,387,284.60 × 425,963.60
  4. Step 4: Simplify right side
    925,470.80x = 590,932,742,440.56
  5. Step 5: Solve for x
    x = 590,932,742,440.56/925,470.80
  6. Step 6: Final answer
    x = 638,521.22

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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.