Home / 988,768.20-1,364,503.14-536,059.56

Finding the Fourth Proportional to 988,768.20, 1,364,503.14 and 536,059.56

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Solution

The fourth proportional to 988,768.20, 1,364,503.14 and 536,059.56 is: 739,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,768.20 : 1,364,503.14 = 536,059.56 : x
  2. Step 2: Convert to fraction form
    988,768.20/1,364,503.14 = 536,059.56/x
  3. Step 3: Cross multiply
    988,768.20x = 1,364,503.14 × 536,059.56
  4. Step 4: Simplify right side
    988,768.20x = 731,454,952,847.02
  5. Step 5: Solve for x
    x = 731,454,952,847.02/988,768.20
  6. Step 6: Final answer
    x = 739,763.83

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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.