Home / 714,436.68-1,071,654.86-215,800.68

Finding the Fourth Proportional to 714,436.68, 1,071,654.86 and 215,800.68

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Solution

The fourth proportional to 714,436.68, 1,071,654.86 and 215,800.68 is: 323,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,436.68 : 1,071,654.86 = 215,800.68 : x
  2. Step 2: Convert to fraction form
    714,436.68/1,071,654.86 = 215,800.68/x
  3. Step 3: Cross multiply
    714,436.68x = 1,071,654.86 × 215,800.68
  4. Step 4: Simplify right side
    714,436.68x = 231,263,847,513.31
  5. Step 5: Solve for x
    x = 231,263,847,513.31/714,436.68
  6. Step 6: Final answer
    x = 323,700.97

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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.