Home / 687,101.27-1,030,657.37-282,189.15

Finding the Fourth Proportional to 687,101.27, 1,030,657.37 and 282,189.15

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Solution

The fourth proportional to 687,101.27, 1,030,657.37 and 282,189.15 is: 423,285.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,101.27 : 1,030,657.37 = 282,189.15 : x
  2. Step 2: Convert to fraction form
    687,101.27/1,030,657.37 = 282,189.15/x
  3. Step 3: Cross multiply
    687,101.27x = 1,030,657.37 × 282,189.15
  4. Step 4: Simplify right side
    687,101.27x = 290,840,325,770.59
  5. Step 5: Solve for x
    x = 290,840,325,770.59/687,101.27
  6. Step 6: Final answer
    x = 423,285.97

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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.