Home / 906,033.87-1,360,100.70-486,129.87

Finding the Fourth Proportional to 906,033.87, 1,360,100.70 and 486,129.87

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Solution

The fourth proportional to 906,033.87, 1,360,100.70 and 486,129.87 is: 729,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,033.87 : 1,360,100.70 = 486,129.87 : x
  2. Step 2: Convert to fraction form
    906,033.87/1,360,100.70 = 486,129.87/x
  3. Step 3: Cross multiply
    906,033.87x = 1,360,100.70 × 486,129.87
  4. Step 4: Simplify right side
    906,033.87x = 661,185,576,477.91
  5. Step 5: Solve for x
    x = 661,185,576,477.91/906,033.87
  6. Step 6: Final answer
    x = 729,758.12

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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.