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Finding the Fourth Proportional to 549,264.60, 822,860.10 and 282,115.80

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Solution

The fourth proportional to 549,264.60, 822,860.10 and 282,115.80 is: 422,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,264.60 : 822,860.10 = 282,115.80 : x
  2. Step 2: Convert to fraction form
    549,264.60/822,860.10 = 282,115.80/x
  3. Step 3: Cross multiply
    549,264.60x = 822,860.10 × 282,115.80
  4. Step 4: Simplify right side
    549,264.60x = 232,141,835,399.58
  5. Step 5: Solve for x
    x = 232,141,835,399.58/549,264.60
  6. Step 6: Final answer
    x = 422,641.17

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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.