Home / 878,151.24-1,211,832.95-496,169.82

Finding the Fourth Proportional to 878,151.24, 1,211,832.95 and 496,169.82

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Solution

The fourth proportional to 878,151.24, 1,211,832.95 and 496,169.82 is: 684,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,151.24 : 1,211,832.95 = 496,169.82 : x
  2. Step 2: Convert to fraction form
    878,151.24/1,211,832.95 = 496,169.82/x
  3. Step 3: Cross multiply
    878,151.24x = 1,211,832.95 × 496,169.82
  4. Step 4: Simplify right side
    878,151.24x = 601,274,934,190.72
  5. Step 5: Solve for x
    x = 601,274,934,190.72/878,151.24
  6. Step 6: Final answer
    x = 684,705.44

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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.