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Finding the Fourth Proportional to 649,056, 895,697.28 and 366,432

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Solution

The fourth proportional to 649,056, 895,697.28 and 366,432 is: 505,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,056 : 895,697.28 = 366,432 : x
  2. Step 2: Convert to fraction form
    649,056/895,697.28 = 366,432/x
  3. Step 3: Cross multiply
    649,056x = 895,697.28 × 366,432
  4. Step 4: Simplify right side
    649,056x = 328,212,145,704.96
  5. Step 5: Solve for x
    x = 328,212,145,704.96/649,056
  6. Step 6: Final answer
    x = 505,676.16

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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.