Home / 469,839.46-648,378.90-254,979.58

Finding the Fourth Proportional to 469,839.46, 648,378.90 and 254,979.58

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Solution

The fourth proportional to 469,839.46, 648,378.90 and 254,979.58 is: 351,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,839.46 : 648,378.90 = 254,979.58 : x
  2. Step 2: Convert to fraction form
    469,839.46/648,378.90 = 254,979.58/x
  3. Step 3: Cross multiply
    469,839.46x = 648,378.90 × 254,979.58
  4. Step 4: Simplify right side
    469,839.46x = 165,323,379,602.86
  5. Step 5: Solve for x
    x = 165,323,379,602.86/469,839.46
  6. Step 6: Final answer
    x = 351,872.06

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1.5x scale

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.