Home / 729,174.48-1,005,994.98-453,514.20

Finding the Fourth Proportional to 729,174.48, 1,005,994.98 and 453,514.20

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Solution

The fourth proportional to 729,174.48, 1,005,994.98 and 453,514.20 is: 625,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,174.48 : 1,005,994.98 = 453,514.20 : x
  2. Step 2: Convert to fraction form
    729,174.48/1,005,994.98 = 453,514.20/x
  3. Step 3: Cross multiply
    729,174.48x = 1,005,994.98 × 453,514.20
  4. Step 4: Simplify right side
    729,174.48x = 456,233,008,558.72
  5. Step 5: Solve for x
    x = 456,233,008,558.72/729,174.48
  6. Step 6: Final answer
    x = 625,684.28

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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.