Home / 540,993-811,676.52-204,130.20

Finding the Fourth Proportional to 540,993, 811,676.52 and 204,130.20

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Solution

The fourth proportional to 540,993, 811,676.52 and 204,130.20 is: 306,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,993 : 811,676.52 = 204,130.20 : x
  2. Step 2: Convert to fraction form
    540,993/811,676.52 = 204,130.20/x
  3. Step 3: Cross multiply
    540,993x = 811,676.52 × 204,130.20
  4. Step 4: Simplify right side
    540,993x = 165,687,690,362.90
  5. Step 5: Solve for x
    x = 165,687,690,362.90/540,993
  6. Step 6: Final answer
    x = 306,265.87

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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.