Home / 762,790.08-1,143,966.96-307,380

Finding the Fourth Proportional to 762,790.08, 1,143,966.96 and 307,380

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Solution

The fourth proportional to 762,790.08, 1,143,966.96 and 307,380 is: 460,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,790.08 : 1,143,966.96 = 307,380 : x
  2. Step 2: Convert to fraction form
    762,790.08/1,143,966.96 = 307,380/x
  3. Step 3: Cross multiply
    762,790.08x = 1,143,966.96 × 307,380
  4. Step 4: Simplify right side
    762,790.08x = 351,632,564,164.80
  5. Step 5: Solve for x
    x = 351,632,564,164.80/762,790.08
  6. Step 6: Final answer
    x = 460,982.09

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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.