Home / 729,845.70-1,094,768.55-688,511.40

Finding the Fourth Proportional to 729,845.70, 1,094,768.55 and 688,511.40

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Solution

The fourth proportional to 729,845.70, 1,094,768.55 and 688,511.40 is: 1,032,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,845.70 : 1,094,768.55 = 688,511.40 : x
  2. Step 2: Convert to fraction form
    729,845.70/1,094,768.55 = 688,511.40/x
  3. Step 3: Cross multiply
    729,845.70x = 1,094,768.55 × 688,511.40
  4. Step 4: Simplify right side
    729,845.70x = 753,760,627,036.47
  5. Step 5: Solve for x
    x = 753,760,627,036.47/729,845.70
  6. Step 6: Final answer
    x = 1,032,767.10

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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.