Home / 769,805.76-1,154,413.44-264,272.52

Finding the Fourth Proportional to 769,805.76, 1,154,413.44 and 264,272.52

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Solution

The fourth proportional to 769,805.76, 1,154,413.44 and 264,272.52 is: 396,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,805.76 : 1,154,413.44 = 264,272.52 : x
  2. Step 2: Convert to fraction form
    769,805.76/1,154,413.44 = 264,272.52/x
  3. Step 3: Cross multiply
    769,805.76x = 1,154,413.44 × 264,272.52
  4. Step 4: Simplify right side
    769,805.76x = 305,079,748,910.67
  5. Step 5: Solve for x
    x = 305,079,748,910.67/769,805.76
  6. Step 6: Final answer
    x = 396,307.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.