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Finding the Fourth Proportional to 801,706.32, 1,106,536.80 and 499,842

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Solution

The fourth proportional to 801,706.32, 1,106,536.80 and 499,842 is: 689,895.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,706.32 : 1,106,536.80 = 499,842 : x
  2. Step 2: Convert to fraction form
    801,706.32/1,106,536.80 = 499,842/x
  3. Step 3: Cross multiply
    801,706.32x = 1,106,536.80 × 499,842
  4. Step 4: Simplify right side
    801,706.32x = 553,093,567,185.60
  5. Step 5: Solve for x
    x = 553,093,567,185.60/801,706.32
  6. Step 6: Final answer
    x = 689,895.48

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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.