Home / 721,551.31-1,082,700.39-523,506.31

Finding the Fourth Proportional to 721,551.31, 1,082,700.39 and 523,506.31

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Solution

The fourth proportional to 721,551.31, 1,082,700.39 and 523,506.31 is: 785,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,551.31 : 1,082,700.39 = 523,506.31 : x
  2. Step 2: Convert to fraction form
    721,551.31/1,082,700.39 = 523,506.31/x
  3. Step 3: Cross multiply
    721,551.31x = 1,082,700.39 × 523,506.31
  4. Step 4: Simplify right side
    721,551.31x = 566,800,486,004.46
  5. Step 5: Solve for x
    x = 566,800,486,004.46/721,551.31
  6. Step 6: Final answer
    x = 785,530.40

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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.