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Finding the Fourth Proportional to 582,374.72, 803,180.16 and 352,879.04

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Solution

The fourth proportional to 582,374.72, 803,180.16 and 352,879.04 is: 486,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,374.72 : 803,180.16 = 352,879.04 : x
  2. Step 2: Convert to fraction form
    582,374.72/803,180.16 = 352,879.04/x
  3. Step 3: Cross multiply
    582,374.72x = 803,180.16 × 352,879.04
  4. Step 4: Simplify right side
    582,374.72x = 283,425,443,807.85
  5. Step 5: Solve for x
    x = 283,425,443,807.85/582,374.72
  6. Step 6: Final answer
    x = 486,671.96

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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.