Home / 654,744.18-981,720.98-255,308.34

Finding the Fourth Proportional to 654,744.18, 981,720.98 and 255,308.34

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Solution

The fourth proportional to 654,744.18, 981,720.98 and 255,308.34 is: 382,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,744.18 : 981,720.98 = 255,308.34 : x
  2. Step 2: Convert to fraction form
    654,744.18/981,720.98 = 255,308.34/x
  3. Step 3: Cross multiply
    654,744.18x = 981,720.98 × 255,308.34
  4. Step 4: Simplify right side
    654,744.18x = 250,641,553,746.97
  5. Step 5: Solve for x
    x = 250,641,553,746.97/654,744.18
  6. Step 6: Final answer
    x = 382,808.37

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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.