Home / 778,955.28-1,161,888.24-707,199.84

Finding the Fourth Proportional to 778,955.28, 1,161,888.24 and 707,199.84

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Solution

The fourth proportional to 778,955.28, 1,161,888.24 and 707,199.84 is: 1,054,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,955.28 : 1,161,888.24 = 707,199.84 : x
  2. Step 2: Convert to fraction form
    778,955.28/1,161,888.24 = 707,199.84/x
  3. Step 3: Cross multiply
    778,955.28x = 1,161,888.24 × 707,199.84
  4. Step 4: Simplify right side
    778,955.28x = 821,687,177,425.88
  5. Step 5: Solve for x
    x = 821,687,177,425.88/778,955.28
  6. Step 6: Final answer
    x = 1,054,857.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.