Home / 791,081.25-1,186,143.45-310,734.03

Finding the Fourth Proportional to 791,081.25, 1,186,143.45 and 310,734.03

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Solution

The fourth proportional to 791,081.25, 1,186,143.45 and 310,734.03 is: 465,913.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,081.25 : 1,186,143.45 = 310,734.03 : x
  2. Step 2: Convert to fraction form
    791,081.25/1,186,143.45 = 310,734.03/x
  3. Step 3: Cross multiply
    791,081.25x = 1,186,143.45 × 310,734.03
  4. Step 4: Simplify right side
    791,081.25x = 368,575,134,376.60
  5. Step 5: Solve for x
    x = 368,575,134,376.60/791,081.25
  6. Step 6: Final answer
    x = 465,913.12

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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.