Home / 875,726.80-1,313,645.60-370,221.21

Finding the Fourth Proportional to 875,726.80, 1,313,645.60 and 370,221.21

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Solution

The fourth proportional to 875,726.80, 1,313,645.60 and 370,221.21 is: 555,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,726.80 : 1,313,645.60 = 370,221.21 : x
  2. Step 2: Convert to fraction form
    875,726.80/1,313,645.60 = 370,221.21/x
  3. Step 3: Cross multiply
    875,726.80x = 1,313,645.60 × 370,221.21
  4. Step 4: Simplify right side
    875,726.80x = 486,339,464,468.73
  5. Step 5: Solve for x
    x = 486,339,464,468.73/875,726.80
  6. Step 6: Final answer
    x = 555,355.24

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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.