Home / 773,111.20-1,159,666.80-204,491.20

Finding the Fourth Proportional to 773,111.20, 1,159,666.80 and 204,491.20

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Solution

The fourth proportional to 773,111.20, 1,159,666.80 and 204,491.20 is: 306,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,111.20 : 1,159,666.80 = 204,491.20 : x
  2. Step 2: Convert to fraction form
    773,111.20/1,159,666.80 = 204,491.20/x
  3. Step 3: Cross multiply
    773,111.20x = 1,159,666.80 × 204,491.20
  4. Step 4: Simplify right side
    773,111.20x = 237,141,655,532.16
  5. Step 5: Solve for x
    x = 237,141,655,532.16/773,111.20
  6. Step 6: Final answer
    x = 306,736.80

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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.