Home / 803,453.12-1,205,186.76-204,415.04

Finding the Fourth Proportional to 803,453.12, 1,205,186.76 and 204,415.04

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Solution

The fourth proportional to 803,453.12, 1,205,186.76 and 204,415.04 is: 306,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,453.12 : 1,205,186.76 = 204,415.04 : x
  2. Step 2: Convert to fraction form
    803,453.12/1,205,186.76 = 204,415.04/x
  3. Step 3: Cross multiply
    803,453.12x = 1,205,186.76 × 204,415.04
  4. Step 4: Simplify right side
    803,453.12x = 246,358,299,752.87
  5. Step 5: Solve for x
    x = 246,358,299,752.87/803,453.12
  6. Step 6: Final answer
    x = 306,624.36

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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.