Home / 727,713.40-1,091,570.10-696,998.20

Finding the Fourth Proportional to 727,713.40, 1,091,570.10 and 696,998.20

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Solution

The fourth proportional to 727,713.40, 1,091,570.10 and 696,998.20 is: 1,045,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,713.40 : 1,091,570.10 = 696,998.20 : x
  2. Step 2: Convert to fraction form
    727,713.40/1,091,570.10 = 696,998.20/x
  3. Step 3: Cross multiply
    727,713.40x = 1,091,570.10 × 696,998.20
  4. Step 4: Simplify right side
    727,713.40x = 760,822,394,873.82
  5. Step 5: Solve for x
    x = 760,822,394,873.82/727,713.40
  6. Step 6: Final answer
    x = 1,045,497.30

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Similar ratio
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1.5x scale

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.