Home / 353,862.42-528,228.03-327,521.01

Finding the Fourth Proportional to 353,862.42, 528,228.03 and 327,521.01

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Solution

The fourth proportional to 353,862.42, 528,228.03 and 327,521.01 is: 488,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,862.42 : 528,228.03 = 327,521.01 : x
  2. Step 2: Convert to fraction form
    353,862.42/528,228.03 = 327,521.01/x
  3. Step 3: Cross multiply
    353,862.42x = 528,228.03 × 327,521.01
  4. Step 4: Simplify right side
    353,862.42x = 173,005,777,895.91
  5. Step 5: Solve for x
    x = 173,005,777,895.91/353,862.42
  6. Step 6: Final answer
    x = 488,906.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.