Home / 858,713.80-1,294,243.04-740,201.18

Finding the Fourth Proportional to 858,713.80, 1,294,243.04 and 740,201.18

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Solution

The fourth proportional to 858,713.80, 1,294,243.04 and 740,201.18 is: 1,115,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,713.80 : 1,294,243.04 = 740,201.18 : x
  2. Step 2: Convert to fraction form
    858,713.80/1,294,243.04 = 740,201.18/x
  3. Step 3: Cross multiply
    858,713.80x = 1,294,243.04 × 740,201.18
  4. Step 4: Simplify right side
    858,713.80x = 958,000,225,414.79
  5. Step 5: Solve for x
    x = 958,000,225,414.79/858,713.80
  6. Step 6: Final answer
    x = 1,115,622.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.