Home / 824,691.27-1,137,399.21-580,484.45

Finding the Fourth Proportional to 824,691.27, 1,137,399.21 and 580,484.45

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Solution

The fourth proportional to 824,691.27, 1,137,399.21 and 580,484.45 is: 800,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,691.27 : 1,137,399.21 = 580,484.45 : x
  2. Step 2: Convert to fraction form
    824,691.27/1,137,399.21 = 580,484.45/x
  3. Step 3: Cross multiply
    824,691.27x = 1,137,399.21 × 580,484.45
  4. Step 4: Simplify right side
    824,691.27x = 660,242,557,690.78
  5. Step 5: Solve for x
    x = 660,242,557,690.78/824,691.27
  6. Step 6: Final answer
    x = 800,593.60

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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.