Home / 648,260.97-894,690.31-361,799.51

Finding the Fourth Proportional to 648,260.97, 894,690.31 and 361,799.51

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Solution

The fourth proportional to 648,260.97, 894,690.31 and 361,799.51 is: 499,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,260.97 : 894,690.31 = 361,799.51 : x
  2. Step 2: Convert to fraction form
    648,260.97/894,690.31 = 361,799.51/x
  3. Step 3: Cross multiply
    648,260.97x = 894,690.31 × 361,799.51
  4. Step 4: Simplify right side
    648,260.97x = 323,698,516,092.81
  5. Step 5: Solve for x
    x = 323,698,516,092.81/648,260.97
  6. Step 6: Final answer
    x = 499,333.65

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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.