Home / 877,524.64-1,316,286.96-212,676.64

Finding the Fourth Proportional to 877,524.64, 1,316,286.96 and 212,676.64

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Solution

The fourth proportional to 877,524.64, 1,316,286.96 and 212,676.64 is: 319,014.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,524.64 : 1,316,286.96 = 212,676.64 : x
  2. Step 2: Convert to fraction form
    877,524.64/1,316,286.96 = 212,676.64/x
  3. Step 3: Cross multiply
    877,524.64x = 1,316,286.96 × 212,676.64
  4. Step 4: Simplify right side
    877,524.64x = 279,943,487,928.61
  5. Step 5: Solve for x
    x = 279,943,487,928.61/877,524.64
  6. Step 6: Final answer
    x = 319,014.96

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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.