Home / 803,421.36-1,205,140.32-204,382.80

Finding the Fourth Proportional to 803,421.36, 1,205,140.32 and 204,382.80

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Solution

The fourth proportional to 803,421.36, 1,205,140.32 and 204,382.80 is: 306,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,421.36 : 1,205,140.32 = 204,382.80 : x
  2. Step 2: Convert to fraction form
    803,421.36/1,205,140.32 = 204,382.80/x
  3. Step 3: Cross multiply
    803,421.36x = 1,205,140.32 × 204,382.80
  4. Step 4: Simplify right side
    803,421.36x = 246,309,952,994.50
  5. Step 5: Solve for x
    x = 246,309,952,994.50/803,421.36
  6. Step 6: Final answer
    x = 306,576.31

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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.