Home / 753,905.69-1,040,541.15-447,923.18

Finding the Fourth Proportional to 753,905.69, 1,040,541.15 and 447,923.18

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Solution

The fourth proportional to 753,905.69, 1,040,541.15 and 447,923.18 is: 618,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,905.69 : 1,040,541.15 = 447,923.18 : x
  2. Step 2: Convert to fraction form
    753,905.69/1,040,541.15 = 447,923.18/x
  3. Step 3: Cross multiply
    753,905.69x = 1,040,541.15 × 447,923.18
  4. Step 4: Simplify right side
    753,905.69x = 466,082,495,626.15
  5. Step 5: Solve for x
    x = 466,082,495,626.15/753,905.69
  6. Step 6: Final answer
    x = 618,223.88

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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.