Home / 891,866.60-1,231,159.86-547,758.32

Finding the Fourth Proportional to 891,866.60, 1,231,159.86 and 547,758.32

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Solution

The fourth proportional to 891,866.60, 1,231,159.86 and 547,758.32 is: 756,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,866.60 : 1,231,159.86 = 547,758.32 : x
  2. Step 2: Convert to fraction form
    891,866.60/1,231,159.86 = 547,758.32/x
  3. Step 3: Cross multiply
    891,866.60x = 1,231,159.86 × 547,758.32
  4. Step 4: Simplify right side
    891,866.60x = 674,378,056,565.04
  5. Step 5: Solve for x
    x = 674,378,056,565.04/891,866.60
  6. Step 6: Final answer
    x = 756,142.29

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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.