Home / 763,134.31-1,144,725.82-383,847.90

Finding the Fourth Proportional to 763,134.31, 1,144,725.82 and 383,847.90

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Solution

The fourth proportional to 763,134.31, 1,144,725.82 and 383,847.90 is: 575,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,134.31 : 1,144,725.82 = 383,847.90 : x
  2. Step 2: Convert to fraction form
    763,134.31/1,144,725.82 = 383,847.90/x
  3. Step 3: Cross multiply
    763,134.31x = 1,144,725.82 × 383,847.90
  4. Step 4: Simplify right side
    763,134.31x = 439,400,596,830.44
  5. Step 5: Solve for x
    x = 439,400,596,830.44/763,134.31
  6. Step 6: Final answer
    x = 575,784.09

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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.