Home / 727,723.70-1,091,585.55-462,003.20

Finding the Fourth Proportional to 727,723.70, 1,091,585.55 and 462,003.20

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Solution

The fourth proportional to 727,723.70, 1,091,585.55 and 462,003.20 is: 693,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,723.70 : 1,091,585.55 = 462,003.20 : x
  2. Step 2: Convert to fraction form
    727,723.70/1,091,585.55 = 462,003.20/x
  3. Step 3: Cross multiply
    727,723.70x = 1,091,585.55 × 462,003.20
  4. Step 4: Simplify right side
    727,723.70x = 504,316,017,173.76
  5. Step 5: Solve for x
    x = 504,316,017,173.76/727,723.70
  6. Step 6: Final answer
    x = 693,004.80

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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.