Home / 851,767.23-1,175,436.52-489,214.58

Finding the Fourth Proportional to 851,767.23, 1,175,436.52 and 489,214.58

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Solution

The fourth proportional to 851,767.23, 1,175,436.52 and 489,214.58 is: 675,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,767.23 : 1,175,436.52 = 489,214.58 : x
  2. Step 2: Convert to fraction form
    851,767.23/1,175,436.52 = 489,214.58/x
  3. Step 3: Cross multiply
    851,767.23x = 1,175,436.52 × 489,214.58
  4. Step 4: Simplify right side
    851,767.23x = 575,040,676,348.24
  5. Step 5: Solve for x
    x = 575,040,676,348.24/851,767.23
  6. Step 6: Final answer
    x = 675,114.82

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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.