Home / 727,735.80-1,091,603.70-541,111.80

Finding the Fourth Proportional to 727,735.80, 1,091,603.70 and 541,111.80

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Solution

The fourth proportional to 727,735.80, 1,091,603.70 and 541,111.80 is: 811,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,735.80 : 1,091,603.70 = 541,111.80 : x
  2. Step 2: Convert to fraction form
    727,735.80/1,091,603.70 = 541,111.80/x
  3. Step 3: Cross multiply
    727,735.80x = 1,091,603.70 × 541,111.80
  4. Step 4: Simplify right side
    727,735.80x = 590,679,642,993.66
  5. Step 5: Solve for x
    x = 590,679,642,993.66/727,735.80
  6. Step 6: Final answer
    x = 811,667.70

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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.