Home / 768,844.92-1,061,504.82-688,132.47

Finding the Fourth Proportional to 768,844.92, 1,061,504.82 and 688,132.47

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Solution

The fourth proportional to 768,844.92, 1,061,504.82 and 688,132.47 is: 950,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,844.92 : 1,061,504.82 = 688,132.47 : x
  2. Step 2: Convert to fraction form
    768,844.92/1,061,504.82 = 688,132.47/x
  3. Step 3: Cross multiply
    768,844.92x = 1,061,504.82 × 688,132.47
  4. Step 4: Simplify right side
    768,844.92x = 730,455,933,703.51
  5. Step 5: Solve for x
    x = 730,455,933,703.51/768,844.92
  6. Step 6: Final answer
    x = 950,069.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.