Home / 664,607.02-997,067.67-215,327.16

Finding the Fourth Proportional to 664,607.02, 997,067.67 and 215,327.16

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Solution

The fourth proportional to 664,607.02, 997,067.67 and 215,327.16 is: 323,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,607.02 : 997,067.67 = 215,327.16 : x
  2. Step 2: Convert to fraction form
    664,607.02/997,067.67 = 215,327.16/x
  3. Step 3: Cross multiply
    664,607.02x = 997,067.67 × 215,327.16
  4. Step 4: Simplify right side
    664,607.02x = 214,695,749,708.92
  5. Step 5: Solve for x
    x = 214,695,749,708.92/664,607.02
  6. Step 6: Final answer
    x = 323,041.65

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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.