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Finding the Fourth Proportional to 496,341.08, 744,594.64 and 389,720.72

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Solution

The fourth proportional to 496,341.08, 744,594.64 and 389,720.72 is: 584,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,341.08 : 744,594.64 = 389,720.72 : x
  2. Step 2: Convert to fraction form
    496,341.08/744,594.64 = 389,720.72/x
  3. Step 3: Cross multiply
    496,341.08x = 744,594.64 × 389,720.72
  4. Step 4: Simplify right side
    496,341.08x = 290,183,959,208.94
  5. Step 5: Solve for x
    x = 290,183,959,208.94/496,341.08
  6. Step 6: Final answer
    x = 584,646.27

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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.