Home / 663,867.72-995,802.18-284,542.29

Finding the Fourth Proportional to 663,867.72, 995,802.18 and 284,542.29

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Solution

The fourth proportional to 663,867.72, 995,802.18 and 284,542.29 is: 426,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,867.72 : 995,802.18 = 284,542.29 : x
  2. Step 2: Convert to fraction form
    663,867.72/995,802.18 = 284,542.29/x
  3. Step 3: Cross multiply
    663,867.72x = 995,802.18 × 284,542.29
  4. Step 4: Simplify right side
    663,867.72x = 283,347,832,684.19
  5. Step 5: Solve for x
    x = 283,347,832,684.19/663,867.72
  6. Step 6: Final answer
    x = 426,813.69

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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.