Home / 815,690.59-1,125,621.71-453,137.27

Finding the Fourth Proportional to 815,690.59, 1,125,621.71 and 453,137.27

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Solution

The fourth proportional to 815,690.59, 1,125,621.71 and 453,137.27 is: 625,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,690.59 : 1,125,621.71 = 453,137.27 : x
  2. Step 2: Convert to fraction form
    815,690.59/1,125,621.71 = 453,137.27/x
  3. Step 3: Cross multiply
    815,690.59x = 1,125,621.71 × 453,137.27
  4. Step 4: Simplify right side
    815,690.59x = 510,061,149,270.50
  5. Step 5: Solve for x
    x = 510,061,149,270.50/815,690.59
  6. Step 6: Final answer
    x = 625,312.04

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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.