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Finding the Fourth Proportional to 599,627.67, 828,166.46 and 408,308.91

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Solution

The fourth proportional to 599,627.67, 828,166.46 and 408,308.91 is: 563,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,627.67 : 828,166.46 = 408,308.91 : x
  2. Step 2: Convert to fraction form
    599,627.67/828,166.46 = 408,308.91/x
  3. Step 3: Cross multiply
    599,627.67x = 828,166.46 × 408,308.91
  4. Step 4: Simplify right side
    599,627.67x = 338,147,742,539.61
  5. Step 5: Solve for x
    x = 338,147,742,539.61/599,627.67
  6. Step 6: Final answer
    x = 563,929.52

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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.