Home / 488,456.21-673,733.02-343,569.28

Finding the Fourth Proportional to 488,456.21, 673,733.02 and 343,569.28

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Solution

The fourth proportional to 488,456.21, 673,733.02 and 343,569.28 is: 473,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,456.21 : 673,733.02 = 343,569.28 : x
  2. Step 2: Convert to fraction form
    488,456.21/673,733.02 = 343,569.28/x
  3. Step 3: Cross multiply
    488,456.21x = 673,733.02 × 343,569.28
  4. Step 4: Simplify right side
    488,456.21x = 231,473,967,734.70
  5. Step 5: Solve for x
    x = 231,473,967,734.70/488,456.21
  6. Step 6: Final answer
    x = 473,888.89

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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.