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Finding the Fourth Proportional to 536,268.34, 739,870.22 and 303,663.62

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Solution

The fourth proportional to 536,268.34, 739,870.22 and 303,663.62 is: 418,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,268.34 : 739,870.22 = 303,663.62 : x
  2. Step 2: Convert to fraction form
    536,268.34/739,870.22 = 303,663.62/x
  3. Step 3: Cross multiply
    536,268.34x = 739,870.22 × 303,663.62
  4. Step 4: Simplify right side
    536,268.34x = 224,671,669,335.40
  5. Step 5: Solve for x
    x = 224,671,669,335.40/536,268.34
  6. Step 6: Final answer
    x = 418,953.82

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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.