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Finding the Fourth Proportional to 802,774.80, 1,107,880.44 and 530,364.81

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Solution

The fourth proportional to 802,774.80, 1,107,880.44 and 530,364.81 is: 731,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,774.80 : 1,107,880.44 = 530,364.81 : x
  2. Step 2: Convert to fraction form
    802,774.80/1,107,880.44 = 530,364.81/x
  3. Step 3: Cross multiply
    802,774.80x = 1,107,880.44 × 530,364.81
  4. Step 4: Simplify right side
    802,774.80x = 587,580,801,229
  5. Step 5: Solve for x
    x = 587,580,801,229/802,774.80
  6. Step 6: Final answer
    x = 731,937.28

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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.