Home / 767,761.53-1,151,810.77-235,322.61

Finding the Fourth Proportional to 767,761.53, 1,151,810.77 and 235,322.61

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Solution

The fourth proportional to 767,761.53, 1,151,810.77 and 235,322.61 is: 353,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,761.53 : 1,151,810.77 = 235,322.61 : x
  2. Step 2: Convert to fraction form
    767,761.53/1,151,810.77 = 235,322.61/x
  3. Step 3: Cross multiply
    767,761.53x = 1,151,810.77 × 235,322.61
  4. Step 4: Simplify right side
    767,761.53x = 271,047,116,622.51
  5. Step 5: Solve for x
    x = 271,047,116,622.51/767,761.53
  6. Step 6: Final answer
    x = 353,035.55

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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.