Home / 865,971.71-1,195,020.33-484,034.03

Finding the Fourth Proportional to 865,971.71, 1,195,020.33 and 484,034.03

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Solution

The fourth proportional to 865,971.71, 1,195,020.33 and 484,034.03 is: 667,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,971.71 : 1,195,020.33 = 484,034.03 : x
  2. Step 2: Convert to fraction form
    865,971.71/1,195,020.33 = 484,034.03/x
  3. Step 3: Cross multiply
    865,971.71x = 1,195,020.33 × 484,034.03
  4. Step 4: Simplify right side
    865,971.71x = 578,430,506,261.83
  5. Step 5: Solve for x
    x = 578,430,506,261.83/865,971.71
  6. Step 6: Final answer
    x = 667,955.43

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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.