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Finding the Fourth Proportional to 802,952.70, 1,108,071.54 and 440,367

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Solution

The fourth proportional to 802,952.70, 1,108,071.54 and 440,367 is: 607,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,952.70 : 1,108,071.54 = 440,367 : x
  2. Step 2: Convert to fraction form
    802,952.70/1,108,071.54 = 440,367/x
  3. Step 3: Cross multiply
    802,952.70x = 1,108,071.54 × 440,367
  4. Step 4: Simplify right side
    802,952.70x = 487,958,139,855.18
  5. Step 5: Solve for x
    x = 487,958,139,855.18/802,952.70
  6. Step 6: Final answer
    x = 607,704.71

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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.