Home / 825,407.82-1,237,045.91-369,666.05

Finding the Fourth Proportional to 825,407.82, 1,237,045.91 and 369,666.05

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Solution

The fourth proportional to 825,407.82, 1,237,045.91 and 369,666.05 is: 554,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,407.82 : 1,237,045.91 = 369,666.05 : x
  2. Step 2: Convert to fraction form
    825,407.82/1,237,045.91 = 369,666.05/x
  3. Step 3: Cross multiply
    825,407.82x = 1,237,045.91 × 369,666.05
  4. Step 4: Simplify right side
    825,407.82x = 457,293,867,184.80
  5. Step 5: Solve for x
    x = 457,293,867,184.80/825,407.82
  6. Step 6: Final answer
    x = 554,021.73

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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.