Home / 855,919.73-1,182,399.54-683,611.47

Finding the Fourth Proportional to 855,919.73, 1,182,399.54 and 683,611.47

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Solution

The fourth proportional to 855,919.73, 1,182,399.54 and 683,611.47 is: 944,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,919.73 : 1,182,399.54 = 683,611.47 : x
  2. Step 2: Convert to fraction form
    855,919.73/1,182,399.54 = 683,611.47/x
  3. Step 3: Cross multiply
    855,919.73x = 1,182,399.54 × 683,611.47
  4. Step 4: Simplify right side
    855,919.73x = 808,301,887,666.72
  5. Step 5: Solve for x
    x = 808,301,887,666.72/855,919.73
  6. Step 6: Final answer
    x = 944,366.47

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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.