Home / 555,443.22-766,294.62-322,831.50

Finding the Fourth Proportional to 555,443.22, 766,294.62 and 322,831.50

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Solution

The fourth proportional to 555,443.22, 766,294.62 and 322,831.50 is: 445,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,443.22 : 766,294.62 = 322,831.50 : x
  2. Step 2: Convert to fraction form
    555,443.22/766,294.62 = 322,831.50/x
  3. Step 3: Cross multiply
    555,443.22x = 766,294.62 × 322,831.50
  4. Step 4: Simplify right side
    555,443.22x = 247,384,041,616.53
  5. Step 5: Solve for x
    x = 247,384,041,616.53/555,443.22
  6. Step 6: Final answer
    x = 445,381.33

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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.