Home / 739,054.88-1,019,895.90-399,523.04

Finding the Fourth Proportional to 739,054.88, 1,019,895.90 and 399,523.04

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Solution

The fourth proportional to 739,054.88, 1,019,895.90 and 399,523.04 is: 551,341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,054.88 : 1,019,895.90 = 399,523.04 : x
  2. Step 2: Convert to fraction form
    739,054.88/1,019,895.90 = 399,523.04/x
  3. Step 3: Cross multiply
    739,054.88x = 1,019,895.90 × 399,523.04
  4. Step 4: Simplify right side
    739,054.88x = 407,471,910,451.54
  5. Step 5: Solve for x
    x = 407,471,910,451.54/739,054.88
  6. Step 6: Final answer
    x = 551,341.88

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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.