Home / 855,905.70-1,284,780.15-482,657.70

Finding the Fourth Proportional to 855,905.70, 1,284,780.15 and 482,657.70

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Solution

The fourth proportional to 855,905.70, 1,284,780.15 and 482,657.70 is: 724,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,905.70 : 1,284,780.15 = 482,657.70 : x
  2. Step 2: Convert to fraction form
    855,905.70/1,284,780.15 = 482,657.70/x
  3. Step 3: Cross multiply
    855,905.70x = 1,284,780.15 × 482,657.70
  4. Step 4: Simplify right side
    855,905.70x = 620,109,032,204.66
  5. Step 5: Solve for x
    x = 620,109,032,204.66/855,905.70
  6. Step 6: Final answer
    x = 724,506.25

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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.