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Finding the Fourth Proportional to 606,404.40, 909,606.60 and 446,972.10

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Solution

The fourth proportional to 606,404.40, 909,606.60 and 446,972.10 is: 670,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,404.40 : 909,606.60 = 446,972.10 : x
  2. Step 2: Convert to fraction form
    606,404.40/909,606.60 = 446,972.10/x
  3. Step 3: Cross multiply
    606,404.40x = 909,606.60 × 446,972.10
  4. Step 4: Simplify right side
    606,404.40x = 406,568,772,175.86
  5. Step 5: Solve for x
    x = 406,568,772,175.86/606,404.40
  6. Step 6: Final answer
    x = 670,458.15

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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.