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Finding the Fourth Proportional to 562,728.96, 776,568.24 and 308,103.84

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Solution

The fourth proportional to 562,728.96, 776,568.24 and 308,103.84 is: 425,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,728.96 : 776,568.24 = 308,103.84 : x
  2. Step 2: Convert to fraction form
    562,728.96/776,568.24 = 308,103.84/x
  3. Step 3: Cross multiply
    562,728.96x = 776,568.24 × 308,103.84
  4. Step 4: Simplify right side
    562,728.96x = 239,263,656,766.04
  5. Step 5: Solve for x
    x = 239,263,656,766.04/562,728.96
  6. Step 6: Final answer
    x = 425,184.54

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1.5x scale

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.