Home / 840,022.37-1,260,031.17-208,936.18

Finding the Fourth Proportional to 840,022.37, 1,260,031.17 and 208,936.18

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Solution

The fourth proportional to 840,022.37, 1,260,031.17 and 208,936.18 is: 313,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,022.37 : 1,260,031.17 = 208,936.18 : x
  2. Step 2: Convert to fraction form
    840,022.37/1,260,031.17 = 208,936.18/x
  3. Step 3: Cross multiply
    840,022.37x = 1,260,031.17 × 208,936.18
  4. Step 4: Simplify right side
    840,022.37x = 263,266,103,480.22
  5. Step 5: Solve for x
    x = 263,266,103,480.22/840,022.37
  6. Step 6: Final answer
    x = 313,403.68

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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.