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Finding the Fourth Proportional to 582,066.96, 803,240.52 and 340,492.56

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Solution

The fourth proportional to 582,066.96, 803,240.52 and 340,492.56 is: 469,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,066.96 : 803,240.52 = 340,492.56 : x
  2. Step 2: Convert to fraction form
    582,066.96/803,240.52 = 340,492.56/x
  3. Step 3: Cross multiply
    582,066.96x = 803,240.52 × 340,492.56
  4. Step 4: Simplify right side
    582,066.96x = 273,497,420,950.53
  5. Step 5: Solve for x
    x = 273,497,420,950.53/582,066.96
  6. Step 6: Final answer
    x = 469,872.78

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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.