Home / 775,959.66-1,163,870.28-270,434.64

Finding the Fourth Proportional to 775,959.66, 1,163,870.28 and 270,434.64

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Solution

The fourth proportional to 775,959.66, 1,163,870.28 and 270,434.64 is: 405,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,959.66 : 1,163,870.28 = 270,434.64 : x
  2. Step 2: Convert to fraction form
    775,959.66/1,163,870.28 = 270,434.64/x
  3. Step 3: Cross multiply
    775,959.66x = 1,163,870.28 × 270,434.64
  4. Step 4: Simplify right side
    775,959.66x = 314,750,840,178.50
  5. Step 5: Solve for x
    x = 314,750,840,178.50/775,959.66
  6. Step 6: Final answer
    x = 405,627.84

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1.5x scale

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.