Home / 740,731.19-1,111,185.77-260,859.81

Finding the Fourth Proportional to 740,731.19, 1,111,185.77 and 260,859.81

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Solution

The fourth proportional to 740,731.19, 1,111,185.77 and 260,859.81 is: 391,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,731.19 : 1,111,185.77 = 260,859.81 : x
  2. Step 2: Convert to fraction form
    740,731.19/1,111,185.77 = 260,859.81/x
  3. Step 3: Cross multiply
    740,731.19x = 1,111,185.77 × 260,859.81
  4. Step 4: Simplify right side
    740,731.19x = 289,863,708,836.90
  5. Step 5: Solve for x
    x = 289,863,708,836.90/740,731.19
  6. Step 6: Final answer
    x = 391,321.05

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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.