Home / 496,220.45-684,531.68-324,238.95

Finding the Fourth Proportional to 496,220.45, 684,531.68 and 324,238.95

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Solution

The fourth proportional to 496,220.45, 684,531.68 and 324,238.95 is: 447,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,220.45 : 684,531.68 = 324,238.95 : x
  2. Step 2: Convert to fraction form
    496,220.45/684,531.68 = 324,238.95/x
  3. Step 3: Cross multiply
    496,220.45x = 684,531.68 × 324,238.95
  4. Step 4: Simplify right side
    496,220.45x = 221,951,831,543.74
  5. Step 5: Solve for x
    x = 221,951,831,543.74/496,220.45
  6. Step 6: Final answer
    x = 447,284.74

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1.5x scale

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.