Home / 549,166.80-822,875.40-407,449.20

Finding the Fourth Proportional to 549,166.80, 822,875.40 and 407,449.20

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Solution

The fourth proportional to 549,166.80, 822,875.40 and 407,449.20 is: 610,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,166.80 : 822,875.40 = 407,449.20 : x
  2. Step 2: Convert to fraction form
    549,166.80/822,875.40 = 407,449.20/x
  3. Step 3: Cross multiply
    549,166.80x = 822,875.40 × 407,449.20
  4. Step 4: Simplify right side
    549,166.80x = 335,279,923,429.68
  5. Step 5: Solve for x
    x = 335,279,923,429.68/549,166.80
  6. Step 6: Final answer
    x = 610,524.75

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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.