Home / 783,174.79-1,080,760.21-460,903.87

Finding the Fourth Proportional to 783,174.79, 1,080,760.21 and 460,903.87

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Solution

The fourth proportional to 783,174.79, 1,080,760.21 and 460,903.87 is: 636,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,174.79 : 1,080,760.21 = 460,903.87 : x
  2. Step 2: Convert to fraction form
    783,174.79/1,080,760.21 = 460,903.87/x
  3. Step 3: Cross multiply
    783,174.79x = 1,080,760.21 × 460,903.87
  4. Step 4: Simplify right side
    783,174.79x = 498,126,563,331.01
  5. Step 5: Solve for x
    x = 498,126,563,331.01/783,174.79
  6. Step 6: Final answer
    x = 636,034.98

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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.