Home / 768,964.56-1,061,167.61-424,800.60

Finding the Fourth Proportional to 768,964.56, 1,061,167.61 and 424,800.60

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Solution

The fourth proportional to 768,964.56, 1,061,167.61 and 424,800.60 is: 586,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,964.56 : 1,061,167.61 = 424,800.60 : x
  2. Step 2: Convert to fraction form
    768,964.56/1,061,167.61 = 424,800.60/x
  3. Step 3: Cross multiply
    768,964.56x = 1,061,167.61 × 424,800.60
  4. Step 4: Simplify right side
    768,964.56x = 450,784,638,490.57
  5. Step 5: Solve for x
    x = 450,784,638,490.57/768,964.56
  6. Step 6: Final answer
    x = 586,222.91

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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.