Home / 401,215.07-553,353.93-352,713.29

Finding the Fourth Proportional to 401,215.07, 553,353.93 and 352,713.29

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Solution

The fourth proportional to 401,215.07, 553,353.93 and 352,713.29 is: 486,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,215.07 : 553,353.93 = 352,713.29 : x
  2. Step 2: Convert to fraction form
    401,215.07/553,353.93 = 352,713.29/x
  3. Step 3: Cross multiply
    401,215.07x = 553,353.93 × 352,713.29
  4. Step 4: Simplify right side
    401,215.07x = 195,175,286,568.12
  5. Step 5: Solve for x
    x = 195,175,286,568.12/401,215.07
  6. Step 6: Final answer
    x = 486,460.51

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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.