Home / 765,863.01-1,148,793.96-344,646.81

Finding the Fourth Proportional to 765,863.01, 1,148,793.96 and 344,646.81

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Solution

The fourth proportional to 765,863.01, 1,148,793.96 and 344,646.81 is: 516,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,863.01 : 1,148,793.96 = 344,646.81 : x
  2. Step 2: Convert to fraction form
    765,863.01/1,148,793.96 = 344,646.81/x
  3. Step 3: Cross multiply
    765,863.01x = 1,148,793.96 × 344,646.81
  4. Step 4: Simplify right side
    765,863.01x = 395,928,173,661.27
  5. Step 5: Solve for x
    x = 395,928,173,661.27/765,863.01
  6. Step 6: Final answer
    x = 516,969.97

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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.