Home / 406,520.28-561,091.32-270,560.04

Finding the Fourth Proportional to 406,520.28, 561,091.32 and 270,560.04

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Solution

The fourth proportional to 406,520.28, 561,091.32 and 270,560.04 is: 373,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,520.28 : 561,091.32 = 270,560.04 : x
  2. Step 2: Convert to fraction form
    406,520.28/561,091.32 = 270,560.04/x
  3. Step 3: Cross multiply
    406,520.28x = 561,091.32 × 270,560.04
  4. Step 4: Simplify right side
    406,520.28x = 151,808,889,982.85
  5. Step 5: Solve for x
    x = 151,808,889,982.85/406,520.28
  6. Step 6: Final answer
    x = 373,434.97

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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.