Home / 759,080.68-1,138,679.82-253,643.42

Finding the Fourth Proportional to 759,080.68, 1,138,679.82 and 253,643.42

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Solution

The fourth proportional to 759,080.68, 1,138,679.82 and 253,643.42 is: 380,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,080.68 : 1,138,679.82 = 253,643.42 : x
  2. Step 2: Convert to fraction form
    759,080.68/1,138,679.82 = 253,643.42/x
  3. Step 3: Cross multiply
    759,080.68x = 1,138,679.82 × 253,643.42
  4. Step 4: Simplify right side
    759,080.68x = 288,818,643,829.78
  5. Step 5: Solve for x
    x = 288,818,643,829.78/759,080.68
  6. Step 6: Final answer
    x = 380,484.78

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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.