Home / 688,462.74-1,033,098.30-289,072.80

Finding the Fourth Proportional to 688,462.74, 1,033,098.30 and 289,072.80

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Solution

The fourth proportional to 688,462.74, 1,033,098.30 and 289,072.80 is: 433,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,462.74 : 1,033,098.30 = 289,072.80 : x
  2. Step 2: Convert to fraction form
    688,462.74/1,033,098.30 = 289,072.80/x
  3. Step 3: Cross multiply
    688,462.74x = 1,033,098.30 × 289,072.80
  4. Step 4: Simplify right side
    688,462.74x = 298,640,618,256.24
  5. Step 5: Solve for x
    x = 298,640,618,256.24/688,462.74
  6. Step 6: Final answer
    x = 433,778.91

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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.