Home / 807,465.27-1,113,383.97-516,689.04

Finding the Fourth Proportional to 807,465.27, 1,113,383.97 and 516,689.04

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Solution

The fourth proportional to 807,465.27, 1,113,383.97 and 516,689.04 is: 712,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,465.27 : 1,113,383.97 = 516,689.04 : x
  2. Step 2: Convert to fraction form
    807,465.27/1,113,383.97 = 516,689.04/x
  3. Step 3: Cross multiply
    807,465.27x = 1,113,383.97 × 516,689.04
  4. Step 4: Simplify right side
    807,465.27x = 575,273,294,610.69
  5. Step 5: Solve for x
    x = 575,273,294,610.69/807,465.27
  6. Step 6: Final answer
    x = 712,443.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.