Home / 404,895.18-607,716.39-205,355.70

Finding the Fourth Proportional to 404,895.18, 607,716.39 and 205,355.70

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Solution

The fourth proportional to 404,895.18, 607,716.39 and 205,355.70 is: 308,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,895.18 : 607,716.39 = 205,355.70 : x
  2. Step 2: Convert to fraction form
    404,895.18/607,716.39 = 205,355.70/x
  3. Step 3: Cross multiply
    404,895.18x = 607,716.39 × 205,355.70
  4. Step 4: Simplify right side
    404,895.18x = 124,798,024,669.92
  5. Step 5: Solve for x
    x = 124,798,024,669.92/404,895.18
  6. Step 6: Final answer
    x = 308,223.04

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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.