Home / 721,428.48-1,082,298.24-216,029.52

Finding the Fourth Proportional to 721,428.48, 1,082,298.24 and 216,029.52

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Solution

The fourth proportional to 721,428.48, 1,082,298.24 and 216,029.52 is: 324,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,428.48 : 1,082,298.24 = 216,029.52 : x
  2. Step 2: Convert to fraction form
    721,428.48/1,082,298.24 = 216,029.52/x
  3. Step 3: Cross multiply
    721,428.48x = 1,082,298.24 × 216,029.52
  4. Step 4: Simplify right side
    721,428.48x = 233,808,369,284.05
  5. Step 5: Solve for x
    x = 233,808,369,284.05/721,428.48
  6. Step 6: Final answer
    x = 324,090.85

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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.