Home / 815,227.60-1,125,016.28-452,652.16

Finding the Fourth Proportional to 815,227.60, 1,125,016.28 and 452,652.16

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Solution

The fourth proportional to 815,227.60, 1,125,016.28 and 452,652.16 is: 624,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,227.60 : 1,125,016.28 = 452,652.16 : x
  2. Step 2: Convert to fraction form
    815,227.60/1,125,016.28 = 452,652.16/x
  3. Step 3: Cross multiply
    815,227.60x = 1,125,016.28 × 452,652.16
  4. Step 4: Simplify right side
    815,227.60x = 509,241,049,177.17
  5. Step 5: Solve for x
    x = 509,241,049,177.17/815,227.60
  6. Step 6: Final answer
    x = 624,661.20

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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.