Home / 693,434.01-1,040,426.92-266,855.31

Finding the Fourth Proportional to 693,434.01, 1,040,426.92 and 266,855.31

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Solution

The fourth proportional to 693,434.01, 1,040,426.92 and 266,855.31 is: 400,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,434.01 : 1,040,426.92 = 266,855.31 : x
  2. Step 2: Convert to fraction form
    693,434.01/1,040,426.92 = 266,855.31/x
  3. Step 3: Cross multiply
    693,434.01x = 1,040,426.92 × 266,855.31
  4. Step 4: Simplify right side
    693,434.01x = 277,643,443,066.81
  5. Step 5: Solve for x
    x = 277,643,443,066.81/693,434.01
  6. Step 6: Final answer
    x = 400,389.13

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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.