Home / 762,006.88-1,143,010.32-256,525.57

Finding the Fourth Proportional to 762,006.88, 1,143,010.32 and 256,525.57

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Solution

The fourth proportional to 762,006.88, 1,143,010.32 and 256,525.57 is: 384,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,006.88 : 1,143,010.32 = 256,525.57 : x
  2. Step 2: Convert to fraction form
    762,006.88/1,143,010.32 = 256,525.57/x
  3. Step 3: Cross multiply
    762,006.88x = 1,143,010.32 × 256,525.57
  4. Step 4: Simplify right side
    762,006.88x = 293,211,373,853.88
  5. Step 5: Solve for x
    x = 293,211,373,853.88/762,006.88
  6. Step 6: Final answer
    x = 384,788.36

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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.