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Finding the Fourth Proportional to 499,404.96, 750,731.36 and 400,645.58

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Solution

The fourth proportional to 499,404.96, 750,731.36 and 400,645.58 is: 602,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,404.96 : 750,731.36 = 400,645.58 : x
  2. Step 2: Convert to fraction form
    499,404.96/750,731.36 = 400,645.58/x
  3. Step 3: Cross multiply
    499,404.96x = 750,731.36 × 400,645.58
  4. Step 4: Simplify right side
    499,404.96x = 300,777,195,394.50
  5. Step 5: Solve for x
    x = 300,777,195,394.50/499,404.96
  6. Step 6: Final answer
    x = 602,271.14

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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.