Home / 875,721.16-1,313,637.16-370,215.59

Finding the Fourth Proportional to 875,721.16, 1,313,637.16 and 370,215.59

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Solution

The fourth proportional to 875,721.16, 1,313,637.16 and 370,215.59 is: 555,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,721.16 : 1,313,637.16 = 370,215.59 : x
  2. Step 2: Convert to fraction form
    875,721.16/1,313,637.16 = 370,215.59/x
  3. Step 3: Cross multiply
    875,721.16x = 1,313,637.16 × 370,215.59
  4. Step 4: Simplify right side
    875,721.16x = 486,328,951,568.49
  5. Step 5: Solve for x
    x = 486,328,951,568.49/875,721.16
  6. Step 6: Final answer
    x = 555,346.81

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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.