Home / 770,221.06-1,155,357.93-264,777.72

Finding the Fourth Proportional to 770,221.06, 1,155,357.93 and 264,777.72

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Solution

The fourth proportional to 770,221.06, 1,155,357.93 and 264,777.72 is: 397,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,221.06 : 1,155,357.93 = 264,777.72 : x
  2. Step 2: Convert to fraction form
    770,221.06/1,155,357.93 = 264,777.72/x
  3. Step 3: Cross multiply
    770,221.06x = 1,155,357.93 × 264,777.72
  4. Step 4: Simplify right side
    770,221.06x = 305,913,032,712.53
  5. Step 5: Solve for x
    x = 305,913,032,712.53/770,221.06
  6. Step 6: Final answer
    x = 397,175.63

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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.