Home / 551,945.80-828,064.38-299,113.96

Finding the Fourth Proportional to 551,945.80, 828,064.38 and 299,113.96

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Solution

The fourth proportional to 551,945.80, 828,064.38 and 299,113.96 is: 448,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,945.80 : 828,064.38 = 299,113.96 : x
  2. Step 2: Convert to fraction form
    551,945.80/828,064.38 = 299,113.96/x
  3. Step 3: Cross multiply
    551,945.80x = 828,064.38 × 299,113.96
  4. Step 4: Simplify right side
    551,945.80x = 247,685,615,836.75
  5. Step 5: Solve for x
    x = 247,685,615,836.75/551,945.80
  6. Step 6: Final answer
    x = 448,749.89

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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.