Home / 874,177.59-1,311,443.75-274,999.40

Finding the Fourth Proportional to 874,177.59, 1,311,443.75 and 274,999.40

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Solution

The fourth proportional to 874,177.59, 1,311,443.75 and 274,999.40 is: 412,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,177.59 : 1,311,443.75 = 274,999.40 : x
  2. Step 2: Convert to fraction form
    874,177.59/1,311,443.75 = 274,999.40/x
  3. Step 3: Cross multiply
    874,177.59x = 1,311,443.75 × 274,999.40
  4. Step 4: Simplify right side
    874,177.59x = 360,646,236,451.53
  5. Step 5: Solve for x
    x = 360,646,236,451.53/874,177.59
  6. Step 6: Final answer
    x = 412,554.88

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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.