Home / 721,555.59-1,082,158.41-300,601.83

Finding the Fourth Proportional to 721,555.59, 1,082,158.41 and 300,601.83

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Solution

The fourth proportional to 721,555.59, 1,082,158.41 and 300,601.83 is: 450,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,555.59 : 1,082,158.41 = 300,601.83 : x
  2. Step 2: Convert to fraction form
    721,555.59/1,082,158.41 = 300,601.83/x
  3. Step 3: Cross multiply
    721,555.59x = 1,082,158.41 × 300,601.83
  4. Step 4: Simplify right side
    721,555.59x = 325,298,798,395.89
  5. Step 5: Solve for x
    x = 325,298,798,395.89/721,555.59
  6. Step 6: Final answer
    x = 450,829.85

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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.