Home / 382,921.47-528,576.23-301,036.11

Finding the Fourth Proportional to 382,921.47, 528,576.23 and 301,036.11

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Solution

The fourth proportional to 382,921.47, 528,576.23 and 301,036.11 is: 415,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,921.47 : 528,576.23 = 301,036.11 : x
  2. Step 2: Convert to fraction form
    382,921.47/528,576.23 = 301,036.11/x
  3. Step 3: Cross multiply
    382,921.47x = 528,576.23 × 301,036.11
  4. Step 4: Simplify right side
    382,921.47x = 159,120,530,888.10
  5. Step 5: Solve for x
    x = 159,120,530,888.10/382,921.47
  6. Step 6: Final answer
    x = 415,543.51

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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.