Home / 528,317.25-792,531.27-228,828.12

Finding the Fourth Proportional to 528,317.25, 792,531.27 and 228,828.12

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Solution

The fourth proportional to 528,317.25, 792,531.27 and 228,828.12 is: 343,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,317.25 : 792,531.27 = 228,828.12 : x
  2. Step 2: Convert to fraction form
    528,317.25/792,531.27 = 228,828.12/x
  3. Step 3: Cross multiply
    528,317.25x = 792,531.27 × 228,828.12
  4. Step 4: Simplify right side
    528,317.25x = 181,353,440,555.31
  5. Step 5: Solve for x
    x = 181,353,440,555.31/528,317.25
  6. Step 6: Final answer
    x = 343,266.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.