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Finding the Fourth Proportional to 582,722.20, 804,156.40 and 341,050.80

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Solution

The fourth proportional to 582,722.20, 804,156.40 and 341,050.80 is: 470,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,722.20 : 804,156.40 = 341,050.80 : x
  2. Step 2: Convert to fraction form
    582,722.20/804,156.40 = 341,050.80/x
  3. Step 3: Cross multiply
    582,722.20x = 804,156.40 × 341,050.80
  4. Step 4: Simplify right side
    582,722.20x = 274,258,183,545.12
  5. Step 5: Solve for x
    x = 274,258,183,545.12/582,722.20
  6. Step 6: Final answer
    x = 470,649.97

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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.