Home / 664,606.02-997,066.17-215,326.16

Finding the Fourth Proportional to 664,606.02, 997,066.17 and 215,326.16

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Solution

The fourth proportional to 664,606.02, 997,066.17 and 215,326.16 is: 323,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,606.02 : 997,066.17 = 215,326.16 : x
  2. Step 2: Convert to fraction form
    664,606.02/997,066.17 = 215,326.16/x
  3. Step 3: Cross multiply
    664,606.02x = 997,066.17 × 215,326.16
  4. Step 4: Simplify right side
    664,606.02x = 214,694,429,652.01
  5. Step 5: Solve for x
    x = 214,694,429,652.01/664,606.02
  6. Step 6: Final answer
    x = 323,040.15

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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.