Home / 775,318.25-1,162,977.38-354,298.88

Finding the Fourth Proportional to 775,318.25, 1,162,977.38 and 354,298.88

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Solution

The fourth proportional to 775,318.25, 1,162,977.38 and 354,298.88 is: 531,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,318.25 : 1,162,977.38 = 354,298.88 : x
  2. Step 2: Convert to fraction form
    775,318.25/1,162,977.38 = 354,298.88/x
  3. Step 3: Cross multiply
    775,318.25x = 1,162,977.38 × 354,298.88
  4. Step 4: Simplify right side
    775,318.25x = 412,041,575,612.95
  5. Step 5: Solve for x
    x = 412,041,575,612.95/775,318.25
  6. Step 6: Final answer
    x = 531,448.32

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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.