Home / 971,287.30-1,340,313.78-541,541.80

Finding the Fourth Proportional to 971,287.30, 1,340,313.78 and 541,541.80

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Solution

The fourth proportional to 971,287.30, 1,340,313.78 and 541,541.80 is: 747,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,287.30 : 1,340,313.78 = 541,541.80 : x
  2. Step 2: Convert to fraction form
    971,287.30/1,340,313.78 = 541,541.80/x
  3. Step 3: Cross multiply
    971,287.30x = 1,340,313.78 × 541,541.80
  4. Step 4: Simplify right side
    971,287.30x = 725,835,936,986.00
  5. Step 5: Solve for x
    x = 725,835,936,986.00/971,287.30
  6. Step 6: Final answer
    x = 747,292.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.