Home / 808,676.70-1,213,015.05-572,480.70

Finding the Fourth Proportional to 808,676.70, 1,213,015.05 and 572,480.70

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Solution

The fourth proportional to 808,676.70, 1,213,015.05 and 572,480.70 is: 858,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,676.70 : 1,213,015.05 = 572,480.70 : x
  2. Step 2: Convert to fraction form
    808,676.70/1,213,015.05 = 572,480.70/x
  3. Step 3: Cross multiply
    808,676.70x = 1,213,015.05 × 572,480.70
  4. Step 4: Simplify right side
    808,676.70x = 694,427,704,934.54
  5. Step 5: Solve for x
    x = 694,427,704,934.54/808,676.70
  6. Step 6: Final answer
    x = 858,721.05

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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.