Home / 815,851.44-1,125,910.03-453,275.31

Finding the Fourth Proportional to 815,851.44, 1,125,910.03 and 453,275.31

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Solution

The fourth proportional to 815,851.44, 1,125,910.03 and 453,275.31 is: 625,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,851.44 : 1,125,910.03 = 453,275.31 : x
  2. Step 2: Convert to fraction form
    815,851.44/1,125,910.03 = 453,275.31/x
  3. Step 3: Cross multiply
    815,851.44x = 1,125,910.03 × 453,275.31
  4. Step 4: Simplify right side
    815,851.44x = 510,347,216,747.17
  5. Step 5: Solve for x
    x = 510,347,216,747.17/815,851.44
  6. Step 6: Final answer
    x = 625,539.40

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1.5x scale

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.