Home / 879,849.50-1,214,179.35-517,314.14

Finding the Fourth Proportional to 879,849.50, 1,214,179.35 and 517,314.14

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Solution

The fourth proportional to 879,849.50, 1,214,179.35 and 517,314.14 is: 713,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,849.50 : 1,214,179.35 = 517,314.14 : x
  2. Step 2: Convert to fraction form
    879,849.50/1,214,179.35 = 517,314.14/x
  3. Step 3: Cross multiply
    879,849.50x = 1,214,179.35 × 517,314.14
  4. Step 4: Simplify right side
    879,849.50x = 628,112,146,251.01
  5. Step 5: Solve for x
    x = 628,112,146,251.01/879,849.50
  6. Step 6: Final answer
    x = 713,885.89

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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.