Home / 815,954.40-1,125,833.04-493,656.48

Finding the Fourth Proportional to 815,954.40, 1,125,833.04 and 493,656.48

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Solution

The fourth proportional to 815,954.40, 1,125,833.04 and 493,656.48 is: 681,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,954.40 : 1,125,833.04 = 493,656.48 : x
  2. Step 2: Convert to fraction form
    815,954.40/1,125,833.04 = 493,656.48/x
  3. Step 3: Cross multiply
    815,954.40x = 1,125,833.04 × 493,656.48
  4. Step 4: Simplify right side
    815,954.40x = 555,774,775,594.10
  5. Step 5: Solve for x
    x = 555,774,775,594.10/815,954.40
  6. Step 6: Final answer
    x = 681,134.60

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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.