Home / 715,841.88-1,073,706.96-416,131.32

Finding the Fourth Proportional to 715,841.88, 1,073,706.96 and 416,131.32

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Solution

The fourth proportional to 715,841.88, 1,073,706.96 and 416,131.32 is: 624,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,841.88 : 1,073,706.96 = 416,131.32 : x
  2. Step 2: Convert to fraction form
    715,841.88/1,073,706.96 = 416,131.32/x
  3. Step 3: Cross multiply
    715,841.88x = 1,073,706.96 × 416,131.32
  4. Step 4: Simplify right side
    715,841.88x = 446,803,094,557.99
  5. Step 5: Solve for x
    x = 446,803,094,557.99/715,841.88
  6. Step 6: Final answer
    x = 624,164.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.