Home / 774,808.12-1,162,124.70-269,283.88

Finding the Fourth Proportional to 774,808.12, 1,162,124.70 and 269,283.88

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Solution

The fourth proportional to 774,808.12, 1,162,124.70 and 269,283.88 is: 403,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,808.12 : 1,162,124.70 = 269,283.88 : x
  2. Step 2: Convert to fraction form
    774,808.12/1,162,124.70 = 269,283.88/x
  3. Step 3: Cross multiply
    774,808.12x = 1,162,124.70 × 269,283.88
  4. Step 4: Simplify right side
    774,808.12x = 312,941,448,259.84
  5. Step 5: Solve for x
    x = 312,941,448,259.84/774,808.12
  6. Step 6: Final answer
    x = 403,895.42

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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.