Home / 494,890.76-742,267.02-210,695.24

Finding the Fourth Proportional to 494,890.76, 742,267.02 and 210,695.24

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Solution

The fourth proportional to 494,890.76, 742,267.02 and 210,695.24 is: 316,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,890.76 : 742,267.02 = 210,695.24 : x
  2. Step 2: Convert to fraction form
    494,890.76/742,267.02 = 210,695.24/x
  3. Step 3: Cross multiply
    494,890.76x = 742,267.02 × 210,695.24
  4. Step 4: Simplify right side
    494,890.76x = 156,392,127,922.99
  5. Step 5: Solve for x
    x = 156,392,127,922.99/494,890.76
  6. Step 6: Final answer
    x = 316,013.43

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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.