Home / 840,995.38-1,160,724.09-501,485.50

Finding the Fourth Proportional to 840,995.38, 1,160,724.09 and 501,485.50

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Solution

The fourth proportional to 840,995.38, 1,160,724.09 and 501,485.50 is: 692,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,995.38 : 1,160,724.09 = 501,485.50 : x
  2. Step 2: Convert to fraction form
    840,995.38/1,160,724.09 = 501,485.50/x
  3. Step 3: Cross multiply
    840,995.38x = 1,160,724.09 × 501,485.50
  4. Step 4: Simplify right side
    840,995.38x = 582,086,300,635.70
  5. Step 5: Solve for x
    x = 582,086,300,635.70/840,995.38
  6. Step 6: Final answer
    x = 692,139.71

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Double scale
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1.5x scale

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.