Home / 688,751.52-1,033,137.75-262,310.93

Finding the Fourth Proportional to 688,751.52, 1,033,137.75 and 262,310.93

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Solution

The fourth proportional to 688,751.52, 1,033,137.75 and 262,310.93 is: 393,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,751.52 : 1,033,137.75 = 262,310.93 : x
  2. Step 2: Convert to fraction form
    688,751.52/1,033,137.75 = 262,310.93/x
  3. Step 3: Cross multiply
    688,751.52x = 1,033,137.75 × 262,310.93
  4. Step 4: Simplify right side
    688,751.52x = 271,003,323,712.85
  5. Step 5: Solve for x
    x = 271,003,323,712.85/688,751.52
  6. Step 6: Final answer
    x = 393,470.38

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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.