Home / 762,352.32-1,143,633.87-257,057.85

Finding the Fourth Proportional to 762,352.32, 1,143,633.87 and 257,057.85

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Solution

The fourth proportional to 762,352.32, 1,143,633.87 and 257,057.85 is: 385,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,352.32 : 1,143,633.87 = 257,057.85 : x
  2. Step 2: Convert to fraction form
    762,352.32/1,143,633.87 = 257,057.85/x
  3. Step 3: Cross multiply
    762,352.32x = 1,143,633.87 × 257,057.85
  4. Step 4: Simplify right side
    762,352.32x = 293,980,063,809.38
  5. Step 5: Solve for x
    x = 293,980,063,809.38/762,352.32
  6. Step 6: Final answer
    x = 385,622.31

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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.