Home / 558,138.17-836,244.34-305,600.42

Finding the Fourth Proportional to 558,138.17, 836,244.34 and 305,600.42

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Solution

The fourth proportional to 558,138.17, 836,244.34 and 305,600.42 is: 457,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,138.17 : 836,244.34 = 305,600.42 : x
  2. Step 2: Convert to fraction form
    558,138.17/836,244.34 = 305,600.42/x
  3. Step 3: Cross multiply
    558,138.17x = 836,244.34 × 305,600.42
  4. Step 4: Simplify right side
    558,138.17x = 255,556,621,526.62
  5. Step 5: Solve for x
    x = 255,556,621,526.62/558,138.17
  6. Step 6: Final answer
    x = 457,873.40

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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.