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Finding the Fourth Proportional to 609,652.61, 915,046.33 and 310,357.26

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Solution

The fourth proportional to 609,652.61, 915,046.33 and 310,357.26 is: 465,824.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,652.61 : 915,046.33 = 310,357.26 : x
  2. Step 2: Convert to fraction form
    609,652.61/915,046.33 = 310,357.26/x
  3. Step 3: Cross multiply
    609,652.61x = 915,046.33 × 310,357.26
  4. Step 4: Simplify right side
    609,652.61x = 283,991,271,751.86
  5. Step 5: Solve for x
    x = 283,991,271,751.86/609,652.61
  6. Step 6: Final answer
    x = 465,824.75

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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.