Home / 563,078.48-844,742.31-310,228.78

Finding the Fourth Proportional to 563,078.48, 844,742.31 and 310,228.78

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Solution

The fourth proportional to 563,078.48, 844,742.31 and 310,228.78 is: 465,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,078.48 : 844,742.31 = 310,228.78 : x
  2. Step 2: Convert to fraction form
    563,078.48/844,742.31 = 310,228.78/x
  3. Step 3: Cross multiply
    563,078.48x = 844,742.31 × 310,228.78
  4. Step 4: Simplify right side
    563,078.48x = 262,063,370,470.83
  5. Step 5: Solve for x
    x = 262,063,370,470.83/563,078.48
  6. Step 6: Final answer
    x = 465,411.80

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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.