Home / 488,120.66-673,586.83-284,177.45

Finding the Fourth Proportional to 488,120.66, 673,586.83 and 284,177.45

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Solution

The fourth proportional to 488,120.66, 673,586.83 and 284,177.45 is: 392,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,120.66 : 673,586.83 = 284,177.45 : x
  2. Step 2: Convert to fraction form
    488,120.66/673,586.83 = 284,177.45/x
  3. Step 3: Cross multiply
    488,120.66x = 673,586.83 × 284,177.45
  4. Step 4: Simplify right side
    488,120.66x = 191,418,183,624.61
  5. Step 5: Solve for x
    x = 191,418,183,624.61/488,120.66
  6. Step 6: Final answer
    x = 392,153.41

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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.