Home / 591,918.92-817,070.24-387,982.98

Finding the Fourth Proportional to 591,918.92, 817,070.24 and 387,982.98

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Solution

The fourth proportional to 591,918.92, 817,070.24 and 387,982.98 is: 535,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,918.92 : 817,070.24 = 387,982.98 : x
  2. Step 2: Convert to fraction form
    591,918.92/817,070.24 = 387,982.98/x
  3. Step 3: Cross multiply
    591,918.92x = 817,070.24 × 387,982.98
  4. Step 4: Simplify right side
    591,918.92x = 317,009,346,584.52
  5. Step 5: Solve for x
    x = 317,009,346,584.52/591,918.92
  6. Step 6: Final answer
    x = 535,562.11

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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.