Home / 840,997.38-1,160,726.85-501,487.50

Finding the Fourth Proportional to 840,997.38, 1,160,726.85 and 501,487.50

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Solution

The fourth proportional to 840,997.38, 1,160,726.85 and 501,487.50 is: 692,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,997.38 : 1,160,726.85 = 501,487.50 : x
  2. Step 2: Convert to fraction form
    840,997.38/1,160,726.85 = 501,487.50/x
  3. Step 3: Cross multiply
    840,997.38x = 1,160,726.85 × 501,487.50
  4. Step 4: Simplify right side
    840,997.38x = 582,090,006,189.38
  5. Step 5: Solve for x
    x = 582,090,006,189.38/840,997.38
  6. Step 6: Final answer
    x = 692,142.47

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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.