Home / 664,888.37-997,418.75-304,972.42

Finding the Fourth Proportional to 664,888.37, 997,418.75 and 304,972.42

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Solution

The fourth proportional to 664,888.37, 997,418.75 and 304,972.42 is: 457,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,888.37 : 997,418.75 = 304,972.42 : x
  2. Step 2: Convert to fraction form
    664,888.37/997,418.75 = 304,972.42/x
  3. Step 3: Cross multiply
    664,888.37x = 997,418.75 × 304,972.42
  4. Step 4: Simplify right side
    664,888.37x = 304,185,206,273.99
  5. Step 5: Solve for x
    x = 304,185,206,273.99/664,888.37
  6. Step 6: Final answer
    x = 457,498.16

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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.