Home / 840,997.88-1,160,727.54-501,488

Finding the Fourth Proportional to 840,997.88, 1,160,727.54 and 501,488

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Solution

The fourth proportional to 840,997.88, 1,160,727.54 and 501,488 is: 692,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,997.88 : 1,160,727.54 = 501,488 : x
  2. Step 2: Convert to fraction form
    840,997.88/1,160,727.54 = 501,488/x
  3. Step 3: Cross multiply
    840,997.88x = 1,160,727.54 × 501,488
  4. Step 4: Simplify right side
    840,997.88x = 582,090,932,579.52
  5. Step 5: Solve for x
    x = 582,090,932,579.52/840,997.88
  6. Step 6: Final answer
    x = 692,143.16

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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.