Home / 542,021.11-747,979.43-300,298.83

Finding the Fourth Proportional to 542,021.11, 747,979.43 and 300,298.83

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Solution

The fourth proportional to 542,021.11, 747,979.43 and 300,298.83 is: 414,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,021.11 : 747,979.43 = 300,298.83 : x
  2. Step 2: Convert to fraction form
    542,021.11/747,979.43 = 300,298.83/x
  3. Step 3: Cross multiply
    542,021.11x = 747,979.43 × 300,298.83
  4. Step 4: Simplify right side
    542,021.11x = 224,617,346,191.57
  5. Step 5: Solve for x
    x = 224,617,346,191.57/542,021.11
  6. Step 6: Final answer
    x = 414,407.01

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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.