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Finding the Fourth Proportional to 582,092.49, 803,166.66 and 340,328.28

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Solution

The fourth proportional to 582,092.49, 803,166.66 and 340,328.28 is: 469,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,092.49 : 803,166.66 = 340,328.28 : x
  2. Step 2: Convert to fraction form
    582,092.49/803,166.66 = 340,328.28/x
  3. Step 3: Cross multiply
    582,092.49x = 803,166.66 × 340,328.28
  4. Step 4: Simplify right side
    582,092.49x = 273,340,327,951.15
  5. Step 5: Solve for x
    x = 273,340,327,951.15/582,092.49
  6. Step 6: Final answer
    x = 469,582.30

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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.