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Finding the Fourth Proportional to 663,726.74, 995,590.67 and 284,401.41

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Solution

The fourth proportional to 663,726.74, 995,590.67 and 284,401.41 is: 426,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,726.74 : 995,590.67 = 284,401.41 : x
  2. Step 2: Convert to fraction form
    663,726.74/995,590.67 = 284,401.41/x
  3. Step 3: Cross multiply
    663,726.74x = 995,590.67 × 284,401.41
  4. Step 4: Simplify right side
    663,726.74x = 283,147,388,908.84
  5. Step 5: Solve for x
    x = 283,147,388,908.84/663,726.74
  6. Step 6: Final answer
    x = 426,602.36

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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.