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Finding the Fourth Proportional to 570,610.37, 787,432.69 and 315,956.09

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Solution

The fourth proportional to 570,610.37, 787,432.69 and 315,956.09 is: 436,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,610.37 : 787,432.69 = 315,956.09 : x
  2. Step 2: Convert to fraction form
    570,610.37/787,432.69 = 315,956.09/x
  3. Step 3: Cross multiply
    570,610.37x = 787,432.69 × 315,956.09
  4. Step 4: Simplify right side
    570,610.37x = 248,794,156,234.11
  5. Step 5: Solve for x
    x = 248,794,156,234.11/570,610.37
  6. Step 6: Final answer
    x = 436,014.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.