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Finding the Fourth Proportional to 549,339.96, 823,182.40 and 489,475.60

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Solution

The fourth proportional to 549,339.96, 823,182.40 and 489,475.60 is: 733,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,339.96 : 823,182.40 = 489,475.60 : x
  2. Step 2: Convert to fraction form
    549,339.96/823,182.40 = 489,475.60/x
  3. Step 3: Cross multiply
    549,339.96x = 823,182.40 × 489,475.60
  4. Step 4: Simplify right side
    549,339.96x = 402,927,699,149.44
  5. Step 5: Solve for x
    x = 402,927,699,149.44/549,339.96
  6. Step 6: Final answer
    x = 733,476.04

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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.