Home / 664,483.29-996,822.75-215,054.79

Finding the Fourth Proportional to 664,483.29, 996,822.75 and 215,054.79

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Solution

The fourth proportional to 664,483.29, 996,822.75 and 215,054.79 is: 322,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,483.29 : 996,822.75 = 215,054.79 : x
  2. Step 2: Convert to fraction form
    664,483.29/996,822.75 = 215,054.79/x
  3. Step 3: Cross multiply
    664,483.29x = 996,822.75 × 215,054.79
  4. Step 4: Simplify right side
    664,483.29x = 214,371,507,168.47
  5. Step 5: Solve for x
    x = 214,371,507,168.47/664,483.29
  6. Step 6: Final answer
    x = 322,613.84

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1.5x scale

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.