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Finding the Fourth Proportional to 672,103.75, 927,502.78 and 370,297.75

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Solution

The fourth proportional to 672,103.75, 927,502.78 and 370,297.75 is: 511,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,103.75 : 927,502.78 = 370,297.75 : x
  2. Step 2: Convert to fraction form
    672,103.75/927,502.78 = 370,297.75/x
  3. Step 3: Cross multiply
    672,103.75x = 927,502.78 × 370,297.75
  4. Step 4: Simplify right side
    672,103.75x = 343,452,192,552.75
  5. Step 5: Solve for x
    x = 343,452,192,552.75/672,103.75
  6. Step 6: Final answer
    x = 511,010.68

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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.