Home / 774,011.16-1,160,928.72-268,478.64

Finding the Fourth Proportional to 774,011.16, 1,160,928.72 and 268,478.64

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Solution

The fourth proportional to 774,011.16, 1,160,928.72 and 268,478.64 is: 402,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,011.16 : 1,160,928.72 = 268,478.64 : x
  2. Step 2: Convert to fraction form
    774,011.16/1,160,928.72 = 268,478.64/x
  3. Step 3: Cross multiply
    774,011.16x = 1,160,928.72 × 268,478.64
  4. Step 4: Simplify right side
    774,011.16x = 311,684,563,882.54
  5. Step 5: Solve for x
    x = 311,684,563,882.54/774,011.16
  6. Step 6: Final answer
    x = 402,687.43

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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.