Home / 762,893.74-1,143,542.94-257,280.04

Finding the Fourth Proportional to 762,893.74, 1,143,542.94 and 257,280.04

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Solution

The fourth proportional to 762,893.74, 1,143,542.94 and 257,280.04 is: 385,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,893.74 : 1,143,542.94 = 257,280.04 : x
  2. Step 2: Convert to fraction form
    762,893.74/1,143,542.94 = 257,280.04/x
  3. Step 3: Cross multiply
    762,893.74x = 1,143,542.94 × 257,280.04
  4. Step 4: Simplify right side
    762,893.74x = 294,210,773,344.92
  5. Step 5: Solve for x
    x = 294,210,773,344.92/762,893.74
  6. Step 6: Final answer
    x = 385,651.05

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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.