Home / 759,022.02-1,138,146.21-253,401.30

Finding the Fourth Proportional to 759,022.02, 1,138,146.21 and 253,401.30

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Solution

The fourth proportional to 759,022.02, 1,138,146.21 and 253,401.30 is: 379,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,022.02 : 1,138,146.21 = 253,401.30 : x
  2. Step 2: Convert to fraction form
    759,022.02/1,138,146.21 = 253,401.30/x
  3. Step 3: Cross multiply
    759,022.02x = 1,138,146.21 × 253,401.30
  4. Step 4: Simplify right side
    759,022.02x = 288,407,729,204.07
  5. Step 5: Solve for x
    x = 288,407,729,204.07/759,022.02
  6. Step 6: Final answer
    x = 379,972.81

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Double scale
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Similar ratio
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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.