Home / 672,250.88-1,007,828.48-312,648.64

Finding the Fourth Proportional to 672,250.88, 1,007,828.48 and 312,648.64

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Solution

The fourth proportional to 672,250.88, 1,007,828.48 and 312,648.64 is: 468,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,250.88 : 1,007,828.48 = 312,648.64 : x
  2. Step 2: Convert to fraction form
    672,250.88/1,007,828.48 = 312,648.64/x
  3. Step 3: Cross multiply
    672,250.88x = 1,007,828.48 × 312,648.64
  4. Step 4: Simplify right side
    672,250.88x = 315,096,203,625.27
  5. Step 5: Solve for x
    x = 315,096,203,625.27/672,250.88
  6. Step 6: Final answer
    x = 468,718.17

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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.