Home / 762,601.14-1,143,610.38-257,026.28

Finding the Fourth Proportional to 762,601.14, 1,143,610.38 and 257,026.28

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Solution

The fourth proportional to 762,601.14, 1,143,610.38 and 257,026.28 is: 385,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,601.14 : 1,143,610.38 = 257,026.28 : x
  2. Step 2: Convert to fraction form
    762,601.14/1,143,610.38 = 257,026.28/x
  3. Step 3: Cross multiply
    762,601.14x = 1,143,610.38 × 257,026.28
  4. Step 4: Simplify right side
    762,601.14x = 293,937,916,022.73
  5. Step 5: Solve for x
    x = 293,937,916,022.73/762,601.14
  6. Step 6: Final answer
    x = 385,441.22

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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.