Home / 718,065.46-1,077,282.74-268,792.80

Finding the Fourth Proportional to 718,065.46, 1,077,282.74 and 268,792.80

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Solution

The fourth proportional to 718,065.46, 1,077,282.74 and 268,792.80 is: 403,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,065.46 : 1,077,282.74 = 268,792.80 : x
  2. Step 2: Convert to fraction form
    718,065.46/1,077,282.74 = 268,792.80/x
  3. Step 3: Cross multiply
    718,065.46x = 1,077,282.74 × 268,792.80
  4. Step 4: Simplify right side
    718,065.46x = 289,565,844,076.27
  5. Step 5: Solve for x
    x = 289,565,844,076.27/718,065.46
  6. Step 6: Final answer
    x = 403,258.28

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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.