Home / 542,899.64-749,202.39-301,182.21

Finding the Fourth Proportional to 542,899.64, 749,202.39 and 301,182.21

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Solution

The fourth proportional to 542,899.64, 749,202.39 and 301,182.21 is: 415,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,899.64 : 749,202.39 = 301,182.21 : x
  2. Step 2: Convert to fraction form
    542,899.64/749,202.39 = 301,182.21/x
  3. Step 3: Cross multiply
    542,899.64x = 749,202.39 × 301,182.21
  4. Step 4: Simplify right side
    542,899.64x = 225,646,431,557.48
  5. Step 5: Solve for x
    x = 225,646,431,557.48/542,899.64
  6. Step 6: Final answer
    x = 415,631.95

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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.