Home / 757,971.46-1,045,937.71-431,197.55

Finding the Fourth Proportional to 757,971.46, 1,045,937.71 and 431,197.55

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Solution

The fourth proportional to 757,971.46, 1,045,937.71 and 431,197.55 is: 595,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,971.46 : 1,045,937.71 = 431,197.55 : x
  2. Step 2: Convert to fraction form
    757,971.46/1,045,937.71 = 431,197.55/x
  3. Step 3: Cross multiply
    757,971.46x = 1,045,937.71 × 431,197.55
  4. Step 4: Simplify right side
    757,971.46x = 451,005,778,004.61
  5. Step 5: Solve for x
    x = 451,005,778,004.61/757,971.46
  6. Step 6: Final answer
    x = 595,016.83

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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.