Home / 591,913.92-817,063.34-387,977.98

Finding the Fourth Proportional to 591,913.92, 817,063.34 and 387,977.98

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Solution

The fourth proportional to 591,913.92, 817,063.34 and 387,977.98 is: 535,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,913.92 : 817,063.34 = 387,977.98 : x
  2. Step 2: Convert to fraction form
    591,913.92/817,063.34 = 387,977.98/x
  3. Step 3: Cross multiply
    591,913.92x = 817,063.34 × 387,977.98
  4. Step 4: Simplify right side
    591,913.92x = 317,002,584,185.25
  5. Step 5: Solve for x
    x = 317,002,584,185.25/591,913.92
  6. Step 6: Final answer
    x = 535,555.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.