Home / 688,758.50-1,033,160.82-239,483.26

Finding the Fourth Proportional to 688,758.50, 1,033,160.82 and 239,483.26

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Solution

The fourth proportional to 688,758.50, 1,033,160.82 and 239,483.26 is: 359,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,758.50 : 1,033,160.82 = 239,483.26 : x
  2. Step 2: Convert to fraction form
    688,758.50/1,033,160.82 = 239,483.26/x
  3. Step 3: Cross multiply
    688,758.50x = 1,033,160.82 × 239,483.26
  4. Step 4: Simplify right side
    688,758.50x = 247,424,721,277.87
  5. Step 5: Solve for x
    x = 247,424,721,277.87/688,758.50
  6. Step 6: Final answer
    x = 359,232.91

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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.