Home / 869,092.20-1,303,638.30-764,029.80

Finding the Fourth Proportional to 869,092.20, 1,303,638.30 and 764,029.80

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Solution

The fourth proportional to 869,092.20, 1,303,638.30 and 764,029.80 is: 1,146,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,092.20 : 1,303,638.30 = 764,029.80 : x
  2. Step 2: Convert to fraction form
    869,092.20/1,303,638.30 = 764,029.80/x
  3. Step 3: Cross multiply
    869,092.20x = 1,303,638.30 × 764,029.80
  4. Step 4: Simplify right side
    869,092.20x = 996,018,509,621.34
  5. Step 5: Solve for x
    x = 996,018,509,621.34/869,092.20
  6. Step 6: Final answer
    x = 1,146,044.70

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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.