Home / 840,995.88-1,160,724.78-501,486

Finding the Fourth Proportional to 840,995.88, 1,160,724.78 and 501,486

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Solution

The fourth proportional to 840,995.88, 1,160,724.78 and 501,486 is: 692,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,995.88 : 1,160,724.78 = 501,486 : x
  2. Step 2: Convert to fraction form
    840,995.88/1,160,724.78 = 501,486/x
  3. Step 3: Cross multiply
    840,995.88x = 1,160,724.78 × 501,486
  4. Step 4: Simplify right side
    840,995.88x = 582,087,227,023.08
  5. Step 5: Solve for x
    x = 582,087,227,023.08/840,995.88
  6. Step 6: Final answer
    x = 692,140.40

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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.