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Finding the Fourth Proportional to 593,291.86, 818,889.24 and 338,790.67

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Solution

The fourth proportional to 593,291.86, 818,889.24 and 338,790.67 is: 467,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,291.86 : 818,889.24 = 338,790.67 : x
  2. Step 2: Convert to fraction form
    593,291.86/818,889.24 = 338,790.67/x
  3. Step 3: Cross multiply
    593,291.86x = 818,889.24 × 338,790.67
  4. Step 4: Simplify right side
    593,291.86x = 277,432,033,498.63
  5. Step 5: Solve for x
    x = 277,432,033,498.63/593,291.86
  6. Step 6: Final answer
    x = 467,614.77

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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.