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Finding the Fourth Proportional to 609,828.56, 915,580.72 and 310,510.26

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Solution

The fourth proportional to 609,828.56, 915,580.72 and 310,510.26 is: 466,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,828.56 : 915,580.72 = 310,510.26 : x
  2. Step 2: Convert to fraction form
    609,828.56/915,580.72 = 310,510.26/x
  3. Step 3: Cross multiply
    609,828.56x = 915,580.72 × 310,510.26
  4. Step 4: Simplify right side
    609,828.56x = 284,297,207,418.19
  5. Step 5: Solve for x
    x = 284,297,207,418.19/609,828.56
  6. Step 6: Final answer
    x = 466,192.02

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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.