Home / 727,543.60-1,091,315.40-694,884.40

Finding the Fourth Proportional to 727,543.60, 1,091,315.40 and 694,884.40

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Solution

The fourth proportional to 727,543.60, 1,091,315.40 and 694,884.40 is: 1,042,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,543.60 : 1,091,315.40 = 694,884.40 : x
  2. Step 2: Convert to fraction form
    727,543.60/1,091,315.40 = 694,884.40/x
  3. Step 3: Cross multiply
    727,543.60x = 1,091,315.40 × 694,884.40
  4. Step 4: Simplify right side
    727,543.60x = 758,338,046,939.76
  5. Step 5: Solve for x
    x = 758,338,046,939.76/727,543.60
  6. Step 6: Final answer
    x = 1,042,326.60

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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.