Home / 669,334.16-923,679.24-401,062.16

Finding the Fourth Proportional to 669,334.16, 923,679.24 and 401,062.16

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Solution

The fourth proportional to 669,334.16, 923,679.24 and 401,062.16 is: 553,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,334.16 : 923,679.24 = 401,062.16 : x
  2. Step 2: Convert to fraction form
    669,334.16/923,679.24 = 401,062.16/x
  3. Step 3: Cross multiply
    669,334.16x = 923,679.24 × 401,062.16
  4. Step 4: Simplify right side
    669,334.16x = 370,452,791,141.56
  5. Step 5: Solve for x
    x = 370,452,791,141.56/669,334.16
  6. Step 6: Final answer
    x = 553,464.64

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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.