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Finding the Fourth Proportional to 624,924.50, 862,394.99 and 338,445.72

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Solution

The fourth proportional to 624,924.50, 862,394.99 and 338,445.72 is: 467,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,924.50 : 862,394.99 = 338,445.72 : x
  2. Step 2: Convert to fraction form
    624,924.50/862,394.99 = 338,445.72/x
  3. Step 3: Cross multiply
    624,924.50x = 862,394.99 × 338,445.72
  4. Step 4: Simplify right side
    624,924.50x = 291,873,891,622.71
  5. Step 5: Solve for x
    x = 291,873,891,622.71/624,924.50
  6. Step 6: Final answer
    x = 467,054.65

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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.