Home / 815,272.58-1,125,179.95-492,984.97

Finding the Fourth Proportional to 815,272.58, 1,125,179.95 and 492,984.97

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Solution

The fourth proportional to 815,272.58, 1,125,179.95 and 492,984.97 is: 680,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,272.58 : 1,125,179.95 = 492,984.97 : x
  2. Step 2: Convert to fraction form
    815,272.58/1,125,179.95 = 492,984.97/x
  3. Step 3: Cross multiply
    815,272.58x = 1,125,179.95 × 492,984.97
  4. Step 4: Simplify right side
    815,272.58x = 554,696,803,895.35
  5. Step 5: Solve for x
    x = 554,696,803,895.35/815,272.58
  6. Step 6: Final answer
    x = 680,382.02

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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.