Home / 911,622.20-1,368,308.10-462,849.80

Finding the Fourth Proportional to 911,622.20, 1,368,308.10 and 462,849.80

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Solution

The fourth proportional to 911,622.20, 1,368,308.10 and 462,849.80 is: 694,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,622.20 : 1,368,308.10 = 462,849.80 : x
  2. Step 2: Convert to fraction form
    911,622.20/1,368,308.10 = 462,849.80/x
  3. Step 3: Cross multiply
    911,622.20x = 1,368,308.10 × 462,849.80
  4. Step 4: Simplify right side
    911,622.20x = 633,321,130,423.38
  5. Step 5: Solve for x
    x = 633,321,130,423.38/911,622.20
  6. Step 6: Final answer
    x = 694,718.85

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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.