Home / 822,181.33-1,134,614.78-459,620.47

Finding the Fourth Proportional to 822,181.33, 1,134,614.78 and 459,620.47

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Solution

The fourth proportional to 822,181.33, 1,134,614.78 and 459,620.47 is: 634,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,181.33 : 1,134,614.78 = 459,620.47 : x
  2. Step 2: Convert to fraction form
    822,181.33/1,134,614.78 = 459,620.47/x
  3. Step 3: Cross multiply
    822,181.33x = 1,134,614.78 × 459,620.47
  4. Step 4: Simplify right side
    822,181.33x = 521,492,172,779.47
  5. Step 5: Solve for x
    x = 521,492,172,779.47/822,181.33
  6. Step 6: Final answer
    x = 634,278.79

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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.