Home / 727,715.80-1,091,573.70-541,091.80

Finding the Fourth Proportional to 727,715.80, 1,091,573.70 and 541,091.80

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Solution

The fourth proportional to 727,715.80, 1,091,573.70 and 541,091.80 is: 811,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,715.80 : 1,091,573.70 = 541,091.80 : x
  2. Step 2: Convert to fraction form
    727,715.80/1,091,573.70 = 541,091.80/x
  3. Step 3: Cross multiply
    727,715.80x = 1,091,573.70 × 541,091.80
  4. Step 4: Simplify right side
    727,715.80x = 590,641,578,165.66
  5. Step 5: Solve for x
    x = 590,641,578,165.66/727,715.80
  6. Step 6: Final answer
    x = 811,637.70

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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.