Home / 835,386.62-1,252,879.21-385,675.43

Finding the Fourth Proportional to 835,386.62, 1,252,879.21 and 385,675.43

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Solution

The fourth proportional to 835,386.62, 1,252,879.21 and 385,675.43 is: 578,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,386.62 : 1,252,879.21 = 385,675.43 : x
  2. Step 2: Convert to fraction form
    835,386.62/1,252,879.21 = 385,675.43/x
  3. Step 3: Cross multiply
    835,386.62x = 1,252,879.21 × 385,675.43
  4. Step 4: Simplify right side
    835,386.62x = 483,204,722,272.51
  5. Step 5: Solve for x
    x = 483,204,722,272.51/835,386.62
  6. Step 6: Final answer
    x = 578,420.47

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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.