Home / 668,253.80-1,002,380.70-526,536.20

Finding the Fourth Proportional to 668,253.80, 1,002,380.70 and 526,536.20

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Solution

The fourth proportional to 668,253.80, 1,002,380.70 and 526,536.20 is: 789,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,253.80 : 1,002,380.70 = 526,536.20 : x
  2. Step 2: Convert to fraction form
    668,253.80/1,002,380.70 = 526,536.20/x
  3. Step 3: Cross multiply
    668,253.80x = 1,002,380.70 × 526,536.20
  4. Step 4: Simplify right side
    668,253.80x = 527,789,724,731.34
  5. Step 5: Solve for x
    x = 527,789,724,731.34/668,253.80
  6. Step 6: Final answer
    x = 789,804.30

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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.