Home / 548,000.12-756,216.38-299,637.53

Finding the Fourth Proportional to 548,000.12, 756,216.38 and 299,637.53

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Solution

The fourth proportional to 548,000.12, 756,216.38 and 299,637.53 is: 413,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,000.12 : 756,216.38 = 299,637.53 : x
  2. Step 2: Convert to fraction form
    548,000.12/756,216.38 = 299,637.53/x
  3. Step 3: Cross multiply
    548,000.12x = 756,216.38 × 299,637.53
  4. Step 4: Simplify right side
    548,000.12x = 226,590,805,216.75
  5. Step 5: Solve for x
    x = 226,590,805,216.75/548,000.12
  6. Step 6: Final answer
    x = 413,486.78

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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.