Home / 721,574.92-1,082,369.64-322,235.92

Finding the Fourth Proportional to 721,574.92, 1,082,369.64 and 322,235.92

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Solution

The fourth proportional to 721,574.92, 1,082,369.64 and 322,235.92 is: 483,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,574.92 : 1,082,369.64 = 322,235.92 : x
  2. Step 2: Convert to fraction form
    721,574.92/1,082,369.64 = 322,235.92/x
  3. Step 3: Cross multiply
    721,574.92x = 1,082,369.64 × 322,235.92
  4. Step 4: Simplify right side
    721,574.92x = 348,778,376,725.47
  5. Step 5: Solve for x
    x = 348,778,376,725.47/721,574.92
  6. Step 6: Final answer
    x = 483,357.12

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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.