Home / 528,505.32-729,466.92-324,605.10

Finding the Fourth Proportional to 528,505.32, 729,466.92 and 324,605.10

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Solution

The fourth proportional to 528,505.32, 729,466.92 and 324,605.10 is: 448,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,505.32 : 729,466.92 = 324,605.10 : x
  2. Step 2: Convert to fraction form
    528,505.32/729,466.92 = 324,605.10/x
  3. Step 3: Cross multiply
    528,505.32x = 729,466.92 × 324,605.10
  4. Step 4: Simplify right side
    528,505.32x = 236,788,682,513.29
  5. Step 5: Solve for x
    x = 236,788,682,513.29/528,505.32
  6. Step 6: Final answer
    x = 448,034.62

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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.