Home / 727,904.80-1,091,857.20-712,352.80

Finding the Fourth Proportional to 727,904.80, 1,091,857.20 and 712,352.80

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Solution

The fourth proportional to 727,904.80, 1,091,857.20 and 712,352.80 is: 1,068,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,904.80 : 1,091,857.20 = 712,352.80 : x
  2. Step 2: Convert to fraction form
    727,904.80/1,091,857.20 = 712,352.80/x
  3. Step 3: Cross multiply
    727,904.80x = 1,091,857.20 × 712,352.80
  4. Step 4: Simplify right side
    727,904.80x = 777,787,533,620.16
  5. Step 5: Solve for x
    x = 777,787,533,620.16/727,904.80
  6. Step 6: Final answer
    x = 1,068,529.20

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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.