Home / 843,189.84-1,163,994.12-498,917.52

Finding the Fourth Proportional to 843,189.84, 1,163,994.12 and 498,917.52

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Solution

The fourth proportional to 843,189.84, 1,163,994.12 and 498,917.52 is: 688,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,189.84 : 1,163,994.12 = 498,917.52 : x
  2. Step 2: Convert to fraction form
    843,189.84/1,163,994.12 = 498,917.52/x
  3. Step 3: Cross multiply
    843,189.84x = 1,163,994.12 × 498,917.52
  4. Step 4: Simplify right side
    843,189.84x = 580,737,059,644.98
  5. Step 5: Solve for x
    x = 580,737,059,644.98/843,189.84
  6. Step 6: Final answer
    x = 688,738.21

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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.