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Finding the Fourth Proportional to 506,040.53, 698,335.34 and 276,599.32

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Solution

The fourth proportional to 506,040.53, 698,335.34 and 276,599.32 is: 381,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,040.53 : 698,335.34 = 276,599.32 : x
  2. Step 2: Convert to fraction form
    506,040.53/698,335.34 = 276,599.32/x
  3. Step 3: Cross multiply
    506,040.53x = 698,335.34 × 276,599.32
  4. Step 4: Simplify right side
    506,040.53x = 193,159,082,531.14
  5. Step 5: Solve for x
    x = 193,159,082,531.14/506,040.53
  6. Step 6: Final answer
    x = 381,706.74

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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.