Home / 721,550.31-1,082,698.89-523,505.31

Finding the Fourth Proportional to 721,550.31, 1,082,698.89 and 523,505.31

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Solution

The fourth proportional to 721,550.31, 1,082,698.89 and 523,505.31 is: 785,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,550.31 : 1,082,698.89 = 523,505.31 : x
  2. Step 2: Convert to fraction form
    721,550.31/1,082,698.89 = 523,505.31/x
  3. Step 3: Cross multiply
    721,550.31x = 1,082,698.89 × 523,505.31
  4. Step 4: Simplify right side
    721,550.31x = 566,798,618,046.11
  5. Step 5: Solve for x
    x = 566,798,618,046.11/721,550.31
  6. Step 6: Final answer
    x = 785,528.90

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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.