Home / 729,329.05-1,093,064.10-409,480.30

Finding the Fourth Proportional to 729,329.05, 1,093,064.10 and 409,480.30

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Solution

The fourth proportional to 729,329.05, 1,093,064.10 and 409,480.30 is: 613,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,329.05 : 1,093,064.10 = 409,480.30 : x
  2. Step 2: Convert to fraction form
    729,329.05/1,093,064.10 = 409,480.30/x
  3. Step 3: Cross multiply
    729,329.05x = 1,093,064.10 × 409,480.30
  4. Step 4: Simplify right side
    729,329.05x = 447,588,215,587.23
  5. Step 5: Solve for x
    x = 447,588,215,587.23/729,329.05
  6. Step 6: Final answer
    x = 613,698.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.