Home / 803,405.16-1,205,114.66-204,366.90

Finding the Fourth Proportional to 803,405.16, 1,205,114.66 and 204,366.90

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Solution

The fourth proportional to 803,405.16, 1,205,114.66 and 204,366.90 is: 306,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,405.16 : 1,205,114.66 = 204,366.90 : x
  2. Step 2: Convert to fraction form
    803,405.16/1,205,114.66 = 204,366.90/x
  3. Step 3: Cross multiply
    803,405.16x = 1,205,114.66 × 204,366.90
  4. Step 4: Simplify right side
    803,405.16x = 246,285,547,208.75
  5. Step 5: Solve for x
    x = 246,285,547,208.75/803,405.16
  6. Step 6: Final answer
    x = 306,552.11

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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.