Home / 881,160.50-1,216,004.73-478,752.50

Finding the Fourth Proportional to 881,160.50, 1,216,004.73 and 478,752.50

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Solution

The fourth proportional to 881,160.50, 1,216,004.73 and 478,752.50 is: 660,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,160.50 : 1,216,004.73 = 478,752.50 : x
  2. Step 2: Convert to fraction form
    881,160.50/1,216,004.73 = 478,752.50/x
  3. Step 3: Cross multiply
    881,160.50x = 1,216,004.73 × 478,752.50
  4. Step 4: Simplify right side
    881,160.50x = 582,165,304,499.33
  5. Step 5: Solve for x
    x = 582,165,304,499.33/881,160.50
  6. Step 6: Final answer
    x = 660,680.21

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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.