Home / 551,243.20-826,077.60-314,084.80

Finding the Fourth Proportional to 551,243.20, 826,077.60 and 314,084.80

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Solution

The fourth proportional to 551,243.20, 826,077.60 and 314,084.80 is: 470,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,243.20 : 826,077.60 = 314,084.80 : x
  2. Step 2: Convert to fraction form
    551,243.20/826,077.60 = 314,084.80/x
  3. Step 3: Cross multiply
    551,243.20x = 826,077.60 × 314,084.80
  4. Step 4: Simplify right side
    551,243.20x = 259,458,417,780.48
  5. Step 5: Solve for x
    x = 259,458,417,780.48/551,243.20
  6. Step 6: Final answer
    x = 470,678.67

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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.