Home / 899,126.73-1,240,850.34-517,145.31

Finding the Fourth Proportional to 899,126.73, 1,240,850.34 and 517,145.31

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Solution

The fourth proportional to 899,126.73, 1,240,850.34 and 517,145.31 is: 713,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,126.73 : 1,240,850.34 = 517,145.31 : x
  2. Step 2: Convert to fraction form
    899,126.73/1,240,850.34 = 517,145.31/x
  3. Step 3: Cross multiply
    899,126.73x = 1,240,850.34 × 517,145.31
  4. Step 4: Simplify right side
    899,126.73x = 641,699,933,742.91
  5. Step 5: Solve for x
    x = 641,699,933,742.91/899,126.73
  6. Step 6: Final answer
    x = 713,692.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.