Home / 891,851.60-1,231,139.16-547,743.32

Finding the Fourth Proportional to 891,851.60, 1,231,139.16 and 547,743.32

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Solution

The fourth proportional to 891,851.60, 1,231,139.16 and 547,743.32 is: 756,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,851.60 : 1,231,139.16 = 547,743.32 : x
  2. Step 2: Convert to fraction form
    891,851.60/1,231,139.16 = 547,743.32/x
  3. Step 3: Cross multiply
    891,851.60x = 1,231,139.16 × 547,743.32
  4. Step 4: Simplify right side
    891,851.60x = 674,348,250,880.41
  5. Step 5: Solve for x
    x = 674,348,250,880.41/891,851.60
  6. Step 6: Final answer
    x = 756,121.59

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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.