Home / 851,694.55-1,175,364.74-489,191.13

Finding the Fourth Proportional to 851,694.55, 1,175,364.74 and 489,191.13

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Solution

The fourth proportional to 851,694.55, 1,175,364.74 and 489,191.13 is: 675,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,694.55 : 1,175,364.74 = 489,191.13 : x
  2. Step 2: Convert to fraction form
    851,694.55/1,175,364.74 = 489,191.13/x
  3. Step 3: Cross multiply
    851,694.55x = 1,175,364.74 × 489,191.13
  4. Step 4: Simplify right side
    851,694.55x = 574,978,005,322.76
  5. Step 5: Solve for x
    x = 574,978,005,322.76/851,694.55
  6. Step 6: Final answer
    x = 675,098.84

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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.