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Finding the Fourth Proportional to 503,717.79, 755,575.88 and 345,466.47

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Solution

The fourth proportional to 503,717.79, 755,575.88 and 345,466.47 is: 518,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,717.79 : 755,575.88 = 345,466.47 : x
  2. Step 2: Convert to fraction form
    503,717.79/755,575.88 = 345,466.47/x
  3. Step 3: Cross multiply
    503,717.79x = 755,575.88 × 345,466.47
  4. Step 4: Simplify right side
    503,717.79x = 261,026,130,353.41
  5. Step 5: Solve for x
    x = 261,026,130,353.41/503,717.79
  6. Step 6: Final answer
    x = 518,199.15

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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.