Home / 807,922.64-1,115,998.12-603,618.48

Finding the Fourth Proportional to 807,922.64, 1,115,998.12 and 603,618.48

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Solution

The fourth proportional to 807,922.64, 1,115,998.12 and 603,618.48 is: 833,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,922.64 : 1,115,998.12 = 603,618.48 : x
  2. Step 2: Convert to fraction form
    807,922.64/1,115,998.12 = 603,618.48/x
  3. Step 3: Cross multiply
    807,922.64x = 1,115,998.12 × 603,618.48
  4. Step 4: Simplify right side
    807,922.64x = 673,637,088,877.26
  5. Step 5: Solve for x
    x = 673,637,088,877.26/807,922.64
  6. Step 6: Final answer
    x = 833,789.10

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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.