Home / 762,610.83-1,143,624.91-257,035.97

Finding the Fourth Proportional to 762,610.83, 1,143,624.91 and 257,035.97

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Solution

The fourth proportional to 762,610.83, 1,143,624.91 and 257,035.97 is: 385,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,610.83 : 1,143,624.91 = 257,035.97 : x
  2. Step 2: Convert to fraction form
    762,610.83/1,143,624.91 = 257,035.97/x
  3. Step 3: Cross multiply
    762,610.83x = 1,143,624.91 × 257,035.97
  4. Step 4: Simplify right side
    762,610.83x = 293,952,731,054.71
  5. Step 5: Solve for x
    x = 293,952,731,054.71/762,610.83
  6. Step 6: Final answer
    x = 385,455.75

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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.