Home / 725,910.58-1,001,488.88-439,326.10

Finding the Fourth Proportional to 725,910.58, 1,001,488.88 and 439,326.10

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Solution

The fourth proportional to 725,910.58, 1,001,488.88 and 439,326.10 is: 606,107.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,910.58 : 1,001,488.88 = 439,326.10 : x
  2. Step 2: Convert to fraction form
    725,910.58/1,001,488.88 = 439,326.10/x
  3. Step 3: Cross multiply
    725,910.58x = 1,001,488.88 × 439,326.10
  4. Step 4: Simplify right side
    725,910.58x = 439,980,203,843.77
  5. Step 5: Solve for x
    x = 439,980,203,843.77/725,910.58
  6. Step 6: Final answer
    x = 606,107.99

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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.