Home / 747,007.22-1,118,542.52-446,775.86

Finding the Fourth Proportional to 747,007.22, 1,118,542.52 and 446,775.86

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Solution

The fourth proportional to 747,007.22, 1,118,542.52 and 446,775.86 is: 668,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,007.22 : 1,118,542.52 = 446,775.86 : x
  2. Step 2: Convert to fraction form
    747,007.22/1,118,542.52 = 446,775.86/x
  3. Step 3: Cross multiply
    747,007.22x = 1,118,542.52 × 446,775.86
  4. Step 4: Simplify right side
    747,007.22x = 499,737,796,319.57
  5. Step 5: Solve for x
    x = 499,737,796,319.57/747,007.22
  6. Step 6: Final answer
    x = 668,986.57

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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.