Home / 729,208.90-1,094,141.40-256,233.70

Finding the Fourth Proportional to 729,208.90, 1,094,141.40 and 256,233.70

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Solution

The fourth proportional to 729,208.90, 1,094,141.40 and 256,233.70 is: 384,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,208.90 : 1,094,141.40 = 256,233.70 : x
  2. Step 2: Convert to fraction form
    729,208.90/1,094,141.40 = 256,233.70/x
  3. Step 3: Cross multiply
    729,208.90x = 1,094,141.40 × 256,233.70
  4. Step 4: Simplify right side
    729,208.90x = 280,355,899,245.18
  5. Step 5: Solve for x
    x = 280,355,899,245.18/729,208.90
  6. Step 6: Final answer
    x = 384,465.82

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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.