Home / 729,877.99-1,007,233.79-407,600.30

Finding the Fourth Proportional to 729,877.99, 1,007,233.79 and 407,600.30

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Solution

The fourth proportional to 729,877.99, 1,007,233.79 and 407,600.30 is: 562,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,877.99 : 1,007,233.79 = 407,600.30 : x
  2. Step 2: Convert to fraction form
    729,877.99/1,007,233.79 = 407,600.30/x
  3. Step 3: Cross multiply
    729,877.99x = 1,007,233.79 × 407,600.30
  4. Step 4: Simplify right side
    729,877.99x = 410,548,795,454.22
  5. Step 5: Solve for x
    x = 410,548,795,454.22/729,877.99
  6. Step 6: Final answer
    x = 562,489.62

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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.