Home / 783,694.48-1,080,497.21-507,564.46

Finding the Fourth Proportional to 783,694.48, 1,080,497.21 and 507,564.46

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Solution

The fourth proportional to 783,694.48, 1,080,497.21 and 507,564.46 is: 699,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,694.48 : 1,080,497.21 = 507,564.46 : x
  2. Step 2: Convert to fraction form
    783,694.48/1,080,497.21 = 507,564.46/x
  3. Step 3: Cross multiply
    783,694.48x = 1,080,497.21 × 507,564.46
  4. Step 4: Simplify right side
    783,694.48x = 548,421,980,387.33
  5. Step 5: Solve for x
    x = 548,421,980,387.33/783,694.48
  6. Step 6: Final answer
    x = 699,790.54

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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.