Home / 558,946.85-838,434.04-203,960.73

Finding the Fourth Proportional to 558,946.85, 838,434.04 and 203,960.73

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Solution

The fourth proportional to 558,946.85, 838,434.04 and 203,960.73 is: 305,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,946.85 : 838,434.04 = 203,960.73 : x
  2. Step 2: Convert to fraction form
    558,946.85/838,434.04 = 203,960.73/x
  3. Step 3: Cross multiply
    558,946.85x = 838,434.04 × 203,960.73
  4. Step 4: Simplify right side
    558,946.85x = 171,007,621,489.48
  5. Step 5: Solve for x
    x = 171,007,621,489.48/558,946.85
  6. Step 6: Final answer
    x = 305,946.13

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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.