Home / 802,087.50-1,106,880.75-479,811.18

Finding the Fourth Proportional to 802,087.50, 1,106,880.75 and 479,811.18

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Solution

The fourth proportional to 802,087.50, 1,106,880.75 and 479,811.18 is: 662,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,087.50 : 1,106,880.75 = 479,811.18 : x
  2. Step 2: Convert to fraction form
    802,087.50/1,106,880.75 = 479,811.18/x
  3. Step 3: Cross multiply
    802,087.50x = 1,106,880.75 × 479,811.18
  4. Step 4: Simplify right side
    802,087.50x = 531,093,758,776.79
  5. Step 5: Solve for x
    x = 531,093,758,776.79/802,087.50
  6. Step 6: Final answer
    x = 662,139.43

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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.