Home / 469,905.42-648,452.13-255,040.87

Finding the Fourth Proportional to 469,905.42, 648,452.13 and 255,040.87

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Solution

The fourth proportional to 469,905.42, 648,452.13 and 255,040.87 is: 351,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,905.42 : 648,452.13 = 255,040.87 : x
  2. Step 2: Convert to fraction form
    469,905.42/648,452.13 = 255,040.87/x
  3. Step 3: Cross multiply
    469,905.42x = 648,452.13 × 255,040.87
  4. Step 4: Simplify right side
    469,905.42x = 165,381,795,388.55
  5. Step 5: Solve for x
    x = 165,381,795,388.55/469,905.42
  6. Step 6: Final answer
    x = 351,946.98

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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.