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Finding the Fourth Proportional to 530,082.88, 731,816.04 and 349,320.04

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Solution

The fourth proportional to 530,082.88, 731,816.04 and 349,320.04 is: 482,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,082.88 : 731,816.04 = 349,320.04 : x
  2. Step 2: Convert to fraction form
    530,082.88/731,816.04 = 349,320.04/x
  3. Step 3: Cross multiply
    530,082.88x = 731,816.04 × 349,320.04
  4. Step 4: Simplify right side
    530,082.88x = 255,638,008,365.44
  5. Step 5: Solve for x
    x = 255,638,008,365.44/530,082.88
  6. Step 6: Final answer
    x = 482,260.45

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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.