Home / 945,831.84-1,418,708.07-440,218.89

Finding the Fourth Proportional to 945,831.84, 1,418,708.07 and 440,218.89

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Solution

The fourth proportional to 945,831.84, 1,418,708.07 and 440,218.89 is: 660,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,831.84 : 1,418,708.07 = 440,218.89 : x
  2. Step 2: Convert to fraction form
    945,831.84/1,418,708.07 = 440,218.89/x
  3. Step 3: Cross multiply
    945,831.84x = 1,418,708.07 × 440,218.89
  4. Step 4: Simplify right side
    945,831.84x = 624,542,091,809.44
  5. Step 5: Solve for x
    x = 624,542,091,809.44/945,831.84
  6. Step 6: Final answer
    x = 660,309.86

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1.5x scale

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.