Home / 808,831.84-1,214,297.52-621,974.56

Finding the Fourth Proportional to 808,831.84, 1,214,297.52 and 621,974.56

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Solution

The fourth proportional to 808,831.84, 1,214,297.52 and 621,974.56 is: 933,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,831.84 : 1,214,297.52 = 621,974.56 : x
  2. Step 2: Convert to fraction form
    808,831.84/1,214,297.52 = 621,974.56/x
  3. Step 3: Cross multiply
    808,831.84x = 1,214,297.52 × 621,974.56
  4. Step 4: Simplify right side
    808,831.84x = 755,262,165,711.09
  5. Step 5: Solve for x
    x = 755,262,165,711.09/808,831.84
  6. Step 6: Final answer
    x = 933,769.08

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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.