Home / 782,463.83-1,172,901.70-444,806.78

Finding the Fourth Proportional to 782,463.83, 1,172,901.70 and 444,806.78

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Solution

The fourth proportional to 782,463.83, 1,172,901.70 and 444,806.78 is: 666,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,463.83 : 1,172,901.70 = 444,806.78 : x
  2. Step 2: Convert to fraction form
    782,463.83/1,172,901.70 = 444,806.78/x
  3. Step 3: Cross multiply
    782,463.83x = 1,172,901.70 × 444,806.78
  4. Step 4: Simplify right side
    782,463.83x = 521,714,624,959.04
  5. Step 5: Solve for x
    x = 521,714,624,959.04/782,463.83
  6. Step 6: Final answer
    x = 666,758.77

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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.