Home / 803,420.52-1,205,137.60-204,382.19

Finding the Fourth Proportional to 803,420.52, 1,205,137.60 and 204,382.19

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Solution

The fourth proportional to 803,420.52, 1,205,137.60 and 204,382.19 is: 306,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,420.52 : 1,205,137.60 = 204,382.19 : x
  2. Step 2: Convert to fraction form
    803,420.52/1,205,137.60 = 204,382.19/x
  3. Step 3: Cross multiply
    803,420.52x = 1,205,137.60 × 204,382.19
  4. Step 4: Simplify right side
    803,420.52x = 246,308,658,237.16
  5. Step 5: Solve for x
    x = 246,308,658,237.16/803,420.52
  6. Step 6: Final answer
    x = 306,575.01

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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.