Home / 499,929.60-689,902.72-273,575.04

Finding the Fourth Proportional to 499,929.60, 689,902.72 and 273,575.04

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Solution

The fourth proportional to 499,929.60, 689,902.72 and 273,575.04 is: 377,533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,929.60 : 689,902.72 = 273,575.04 : x
  2. Step 2: Convert to fraction form
    499,929.60/689,902.72 = 273,575.04/x
  3. Step 3: Cross multiply
    499,929.60x = 689,902.72 × 273,575.04
  4. Step 4: Simplify right side
    499,929.60x = 188,740,164,220.11
  5. Step 5: Solve for x
    x = 188,740,164,220.11/499,929.60
  6. Step 6: Final answer
    x = 377,533.49

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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.