Home / 465,352.80-642,247.32-284,027.04

Finding the Fourth Proportional to 465,352.80, 642,247.32 and 284,027.04

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Solution

The fourth proportional to 465,352.80, 642,247.32 and 284,027.04 is: 391,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,352.80 : 642,247.32 = 284,027.04 : x
  2. Step 2: Convert to fraction form
    465,352.80/642,247.32 = 284,027.04/x
  3. Step 3: Cross multiply
    465,352.80x = 642,247.32 × 284,027.04
  4. Step 4: Simplify right side
    465,352.80x = 182,415,605,247.53
  5. Step 5: Solve for x
    x = 182,415,605,247.53/465,352.80
  6. Step 6: Final answer
    x = 391,994.21

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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.