Home / 739,924.05-1,021,097.88-400,392.30

Finding the Fourth Proportional to 739,924.05, 1,021,097.88 and 400,392.30

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Solution

The fourth proportional to 739,924.05, 1,021,097.88 and 400,392.30 is: 552,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,924.05 : 1,021,097.88 = 400,392.30 : x
  2. Step 2: Convert to fraction form
    739,924.05/1,021,097.88 = 400,392.30/x
  3. Step 3: Cross multiply
    739,924.05x = 1,021,097.88 × 400,392.30
  4. Step 4: Simplify right side
    739,924.05x = 408,839,728,698.32
  5. Step 5: Solve for x
    x = 408,839,728,698.32/739,924.05
  6. Step 6: Final answer
    x = 552,542.83

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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.