Home / 486,557.10-671,449.77-271,696.50

Finding the Fourth Proportional to 486,557.10, 671,449.77 and 271,696.50

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Solution

The fourth proportional to 486,557.10, 671,449.77 and 271,696.50 is: 374,941.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,557.10 : 671,449.77 = 271,696.50 : x
  2. Step 2: Convert to fraction form
    486,557.10/671,449.77 = 271,696.50/x
  3. Step 3: Cross multiply
    486,557.10x = 671,449.77 × 271,696.50
  4. Step 4: Simplify right side
    486,557.10x = 182,430,552,434.81
  5. Step 5: Solve for x
    x = 182,430,552,434.81/486,557.10
  6. Step 6: Final answer
    x = 374,941.71

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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.