Home / 848,305.62-1,272,425.18-287,340.10

Finding the Fourth Proportional to 848,305.62, 1,272,425.18 and 287,340.10

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Solution

The fourth proportional to 848,305.62, 1,272,425.18 and 287,340.10 is: 430,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,305.62 : 1,272,425.18 = 287,340.10 : x
  2. Step 2: Convert to fraction form
    848,305.62/1,272,425.18 = 287,340.10/x
  3. Step 3: Cross multiply
    848,305.62x = 1,272,425.18 × 287,340.10
  4. Step 4: Simplify right side
    848,305.62x = 365,618,778,463.72
  5. Step 5: Solve for x
    x = 365,618,778,463.72/848,305.62
  6. Step 6: Final answer
    x = 430,998.89

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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.