Home / 674,845.29-1,011,763.71-408,541.59

Finding the Fourth Proportional to 674,845.29, 1,011,763.71 and 408,541.59

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Solution

The fourth proportional to 674,845.29, 1,011,763.71 and 408,541.59 is: 612,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,845.29 : 1,011,763.71 = 408,541.59 : x
  2. Step 2: Convert to fraction form
    674,845.29/1,011,763.71 = 408,541.59/x
  3. Step 3: Cross multiply
    674,845.29x = 1,011,763.71 × 408,541.59
  4. Step 4: Simplify right side
    674,845.29x = 413,347,554,787.70
  5. Step 5: Solve for x
    x = 413,347,554,787.70/674,845.29
  6. Step 6: Final answer
    x = 612,507.13

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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.