Home / 825,502.59-1,238,048.82-465,831.36

Finding the Fourth Proportional to 825,502.59, 1,238,048.82 and 465,831.36

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Solution

The fourth proportional to 825,502.59, 1,238,048.82 and 465,831.36 is: 698,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,502.59 : 1,238,048.82 = 465,831.36 : x
  2. Step 2: Convert to fraction form
    825,502.59/1,238,048.82 = 465,831.36/x
  3. Step 3: Cross multiply
    825,502.59x = 1,238,048.82 × 465,831.36
  4. Step 4: Simplify right side
    825,502.59x = 576,721,965,567.00
  5. Step 5: Solve for x
    x = 576,721,965,567.00/825,502.59
  6. Step 6: Final answer
    x = 698,631.32

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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.