Home / 725,054.63-1,087,582.39-275,671.69

Finding the Fourth Proportional to 725,054.63, 1,087,582.39 and 275,671.69

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Solution

The fourth proportional to 725,054.63, 1,087,582.39 and 275,671.69 is: 413,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,054.63 : 1,087,582.39 = 275,671.69 : x
  2. Step 2: Convert to fraction form
    725,054.63/1,087,582.39 = 275,671.69/x
  3. Step 3: Cross multiply
    725,054.63x = 1,087,582.39 × 275,671.69
  4. Step 4: Simplify right side
    725,054.63x = 299,815,672,057.40
  5. Step 5: Solve for x
    x = 299,815,672,057.40/725,054.63
  6. Step 6: Final answer
    x = 413,507.70

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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.