Home / 947,761.44-1,421,891.40-340,611.04

Finding the Fourth Proportional to 947,761.44, 1,421,891.40 and 340,611.04

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Solution

The fourth proportional to 947,761.44, 1,421,891.40 and 340,611.04 is: 511,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,761.44 : 1,421,891.40 = 340,611.04 : x
  2. Step 2: Convert to fraction form
    947,761.44/1,421,891.40 = 340,611.04/x
  3. Step 3: Cross multiply
    947,761.44x = 1,421,891.40 × 340,611.04
  4. Step 4: Simplify right side
    947,761.44x = 484,311,908,521.06
  5. Step 5: Solve for x
    x = 484,311,908,521.06/947,761.44
  6. Step 6: Final answer
    x = 511,006.13

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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.