Home / 893,623.28-1,340,013.76-324,603.24

Finding the Fourth Proportional to 893,623.28, 1,340,013.76 and 324,603.24

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Solution

The fourth proportional to 893,623.28, 1,340,013.76 and 324,603.24 is: 486,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,623.28 : 1,340,013.76 = 324,603.24 : x
  2. Step 2: Convert to fraction form
    893,623.28/1,340,013.76 = 324,603.24/x
  3. Step 3: Cross multiply
    893,623.28x = 1,340,013.76 × 324,603.24
  4. Step 4: Simplify right side
    893,623.28x = 434,972,808,140.58
  5. Step 5: Solve for x
    x = 434,972,808,140.58/893,623.28
  6. Step 6: Final answer
    x = 486,751.88

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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.