Home / 762,261.09-1,143,101.00-256,686.33

Finding the Fourth Proportional to 762,261.09, 1,143,101.00 and 256,686.33

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Solution

The fourth proportional to 762,261.09, 1,143,101.00 and 256,686.33 is: 384,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,261.09 : 1,143,101.00 = 256,686.33 : x
  2. Step 2: Convert to fraction form
    762,261.09/1,143,101.00 = 256,686.33/x
  3. Step 3: Cross multiply
    762,261.09x = 1,143,101.00 × 256,686.33
  4. Step 4: Simplify right side
    762,261.09x = 293,418,399,225.90
  5. Step 5: Solve for x
    x = 293,418,399,225.90/762,261.09
  6. Step 6: Final answer
    x = 384,931.62

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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.