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Finding the Fourth Proportional to 549,599.67, 758,433.87 and 307,880.64

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Solution

The fourth proportional to 549,599.67, 758,433.87 and 307,880.64 is: 424,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,599.67 : 758,433.87 = 307,880.64 : x
  2. Step 2: Convert to fraction form
    549,599.67/758,433.87 = 307,880.64/x
  3. Step 3: Cross multiply
    549,599.67x = 758,433.87 × 307,880.64
  4. Step 4: Simplify right side
    549,599.67x = 233,507,105,293.28
  5. Step 5: Solve for x
    x = 233,507,105,293.28/549,599.67
  6. Step 6: Final answer
    x = 424,867.62

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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.