Home / 791,267.49-1,091,950.21-428,691.36

Finding the Fourth Proportional to 791,267.49, 1,091,950.21 and 428,691.36

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Solution

The fourth proportional to 791,267.49, 1,091,950.21 and 428,691.36 is: 591,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,267.49 : 1,091,950.21 = 428,691.36 : x
  2. Step 2: Convert to fraction form
    791,267.49/1,091,950.21 = 428,691.36/x
  3. Step 3: Cross multiply
    791,267.49x = 1,091,950.21 × 428,691.36
  4. Step 4: Simplify right side
    791,267.49x = 468,109,626,413.56
  5. Step 5: Solve for x
    x = 468,109,626,413.56/791,267.49
  6. Step 6: Final answer
    x = 591,594.67

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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.