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Finding the Fourth Proportional to 552,578.42, 828,864.86 and 477,470.04

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Solution

The fourth proportional to 552,578.42, 828,864.86 and 477,470.04 is: 716,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,578.42 : 828,864.86 = 477,470.04 : x
  2. Step 2: Convert to fraction form
    552,578.42/828,864.86 = 477,470.04/x
  3. Step 3: Cross multiply
    552,578.42x = 828,864.86 × 477,470.04
  4. Step 4: Simplify right side
    552,578.42x = 395,758,137,858.79
  5. Step 5: Solve for x
    x = 395,758,137,858.79/552,578.42
  6. Step 6: Final answer
    x = 716,202.67

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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.