Home / 803,407.64-1,205,106.24-204,363.68

Finding the Fourth Proportional to 803,407.64, 1,205,106.24 and 204,363.68

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Solution

The fourth proportional to 803,407.64, 1,205,106.24 and 204,363.68 is: 306,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,407.64 : 1,205,106.24 = 204,363.68 : x
  2. Step 2: Convert to fraction form
    803,407.64/1,205,106.24 = 204,363.68/x
  3. Step 3: Cross multiply
    803,407.64x = 1,205,106.24 × 204,363.68
  4. Step 4: Simplify right side
    803,407.64x = 246,279,945,997.36
  5. Step 5: Solve for x
    x = 246,279,945,997.36/803,407.64
  6. Step 6: Final answer
    x = 306,544.19

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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.