Home / 891,870.80-1,231,165.68-547,762.56

Finding the Fourth Proportional to 891,870.80, 1,231,165.68 and 547,762.56

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Solution

The fourth proportional to 891,870.80, 1,231,165.68 and 547,762.56 is: 756,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,870.80 : 1,231,165.68 = 547,762.56 : x
  2. Step 2: Convert to fraction form
    891,870.80/1,231,165.68 = 547,762.56/x
  3. Step 3: Cross multiply
    891,870.80x = 1,231,165.68 × 547,762.56
  4. Step 4: Simplify right side
    891,870.80x = 674,386,464,660.94
  5. Step 5: Solve for x
    x = 674,386,464,660.94/891,870.80
  6. Step 6: Final answer
    x = 756,148.16

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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.