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Finding the Fourth Proportional to 578,580.18, 798,372.39 and 333,562.20

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Solution

The fourth proportional to 578,580.18, 798,372.39 and 333,562.20 is: 460,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,580.18 : 798,372.39 = 333,562.20 : x
  2. Step 2: Convert to fraction form
    578,580.18/798,372.39 = 333,562.20/x
  3. Step 3: Cross multiply
    578,580.18x = 798,372.39 × 333,562.20
  4. Step 4: Simplify right side
    578,580.18x = 266,306,850,827.66
  5. Step 5: Solve for x
    x = 266,306,850,827.66/578,580.18
  6. Step 6: Final answer
    x = 460,276.48

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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.