Home / 668,155.43-1,001,757.17-312,975.70

Finding the Fourth Proportional to 668,155.43, 1,001,757.17 and 312,975.70

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Solution

The fourth proportional to 668,155.43, 1,001,757.17 and 312,975.70 is: 469,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,155.43 : 1,001,757.17 = 312,975.70 : x
  2. Step 2: Convert to fraction form
    668,155.43/1,001,757.17 = 312,975.70/x
  3. Step 3: Cross multiply
    668,155.43x = 1,001,757.17 × 312,975.70
  4. Step 4: Simplify right side
    668,155.43x = 313,525,649,788.82
  5. Step 5: Solve for x
    x = 313,525,649,788.82/668,155.43
  6. Step 6: Final answer
    x = 469,240.59

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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.