Home / 891,104.56-1,336,123.02-283,630.48

Finding the Fourth Proportional to 891,104.56, 1,336,123.02 and 283,630.48

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Solution

The fourth proportional to 891,104.56, 1,336,123.02 and 283,630.48 is: 425,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,104.56 : 1,336,123.02 = 283,630.48 : x
  2. Step 2: Convert to fraction form
    891,104.56/1,336,123.02 = 283,630.48/x
  3. Step 3: Cross multiply
    891,104.56x = 1,336,123.02 × 283,630.48
  4. Step 4: Simplify right side
    891,104.56x = 378,965,213,501.65
  5. Step 5: Solve for x
    x = 378,965,213,501.65/891,104.56
  6. Step 6: Final answer
    x = 425,275.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.