Home / 742,802.36-1,025,067.24-403,270.61

Finding the Fourth Proportional to 742,802.36, 1,025,067.24 and 403,270.61

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Solution

The fourth proportional to 742,802.36, 1,025,067.24 and 403,270.61 is: 556,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,802.36 : 1,025,067.24 = 403,270.61 : x
  2. Step 2: Convert to fraction form
    742,802.36/1,025,067.24 = 403,270.61/x
  3. Step 3: Cross multiply
    742,802.36x = 1,025,067.24 × 403,270.61
  4. Step 4: Simplify right side
    742,802.36x = 413,379,486,040.48
  5. Step 5: Solve for x
    x = 413,379,486,040.48/742,802.36
  6. Step 6: Final answer
    x = 556,513.43

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1.5x scale

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.