Home / 762,118.16-1,143,179.24-257,033.93

Finding the Fourth Proportional to 762,118.16, 1,143,179.24 and 257,033.93

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Solution

The fourth proportional to 762,118.16, 1,143,179.24 and 257,033.93 is: 385,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,118.16 : 1,143,179.24 = 257,033.93 : x
  2. Step 2: Convert to fraction form
    762,118.16/1,143,179.24 = 257,033.93/x
  3. Step 3: Cross multiply
    762,118.16x = 1,143,179.24 × 257,033.93
  4. Step 4: Simplify right side
    762,118.16x = 293,835,845,750.55
  5. Step 5: Solve for x
    x = 293,835,845,750.55/762,118.16
  6. Step 6: Final answer
    x = 385,551.56

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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.