Home / 727,711.80-1,091,567.70-549,252.60

Finding the Fourth Proportional to 727,711.80, 1,091,567.70 and 549,252.60

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Solution

The fourth proportional to 727,711.80, 1,091,567.70 and 549,252.60 is: 823,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,711.80 : 1,091,567.70 = 549,252.60 : x
  2. Step 2: Convert to fraction form
    727,711.80/1,091,567.70 = 549,252.60/x
  3. Step 3: Cross multiply
    727,711.80x = 1,091,567.70 × 549,252.60
  4. Step 4: Simplify right side
    727,711.80x = 599,546,397,301.02
  5. Step 5: Solve for x
    x = 599,546,397,301.02/727,711.80
  6. Step 6: Final answer
    x = 823,878.90

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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.