Home / 668,319.70-1,002,465.15-445,110.10

Finding the Fourth Proportional to 668,319.70, 1,002,465.15 and 445,110.10

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Solution

The fourth proportional to 668,319.70, 1,002,465.15 and 445,110.10 is: 667,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,319.70 : 1,002,465.15 = 445,110.10 : x
  2. Step 2: Convert to fraction form
    668,319.70/1,002,465.15 = 445,110.10/x
  3. Step 3: Cross multiply
    668,319.70x = 1,002,465.15 × 445,110.10
  4. Step 4: Simplify right side
    668,319.70x = 446,207,363,163.02
  5. Step 5: Solve for x
    x = 446,207,363,163.02/668,319.70
  6. Step 6: Final answer
    x = 667,655.56

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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.