Home / 668,072.60-1,002,108.90-620,833.40

Finding the Fourth Proportional to 668,072.60, 1,002,108.90 and 620,833.40

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Solution

The fourth proportional to 668,072.60, 1,002,108.90 and 620,833.40 is: 931,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,072.60 : 1,002,108.90 = 620,833.40 : x
  2. Step 2: Convert to fraction form
    668,072.60/1,002,108.90 = 620,833.40/x
  3. Step 3: Cross multiply
    668,072.60x = 1,002,108.90 × 620,833.40
  4. Step 4: Simplify right side
    668,072.60x = 622,142,675,557.26
  5. Step 5: Solve for x
    x = 622,142,675,557.26/668,072.60
  6. Step 6: Final answer
    x = 931,250.10

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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.