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Finding the Fourth Proportional to 648,295.20, 894,698.04 and 361,858.28

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Solution

The fourth proportional to 648,295.20, 894,698.04 and 361,858.28 is: 499,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,295.20 : 894,698.04 = 361,858.28 : x
  2. Step 2: Convert to fraction form
    648,295.20/894,698.04 = 361,858.28/x
  3. Step 3: Cross multiply
    648,295.20x = 894,698.04 × 361,858.28
  4. Step 4: Simplify right side
    648,295.20x = 323,753,893,873.77
  5. Step 5: Solve for x
    x = 323,753,893,873.77/648,295.20
  6. Step 6: Final answer
    x = 499,392.71

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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.