Home / 759,118.32-1,138,305.42-253,505.52

Finding the Fourth Proportional to 759,118.32, 1,138,305.42 and 253,505.52

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Solution

The fourth proportional to 759,118.32, 1,138,305.42 and 253,505.52 is: 380,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,118.32 : 1,138,305.42 = 253,505.52 : x
  2. Step 2: Convert to fraction form
    759,118.32/1,138,305.42 = 253,505.52/x
  3. Step 3: Cross multiply
    759,118.32x = 1,138,305.42 × 253,505.52
  4. Step 4: Simplify right side
    759,118.32x = 288,566,707,415.92
  5. Step 5: Solve for x
    x = 288,566,707,415.92/759,118.32
  6. Step 6: Final answer
    x = 380,134.03

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Double scale
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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.