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Finding the Fourth Proportional to 607,358, 911,589.51 and 323,287.37

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Solution

The fourth proportional to 607,358, 911,589.51 and 323,287.37 is: 485,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,358 : 911,589.51 = 323,287.37 : x
  2. Step 2: Convert to fraction form
    607,358/911,589.51 = 323,287.37/x
  3. Step 3: Cross multiply
    607,358x = 911,589.51 × 323,287.37
  4. Step 4: Simplify right side
    607,358x = 294,705,375,207.49
  5. Step 5: Solve for x
    x = 294,705,375,207.49/607,358
  6. Step 6: Final answer
    x = 485,225.15

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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.