Home / 971,240.09-1,456,611.62-287,967.18

Finding the Fourth Proportional to 971,240.09, 1,456,611.62 and 287,967.18

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Solution

The fourth proportional to 971,240.09, 1,456,611.62 and 287,967.18 is: 431,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,240.09 : 1,456,611.62 = 287,967.18 : x
  2. Step 2: Convert to fraction form
    971,240.09/1,456,611.62 = 287,967.18/x
  3. Step 3: Cross multiply
    971,240.09x = 1,456,611.62 × 287,967.18
  4. Step 4: Simplify right side
    971,240.09x = 419,456,340,566.63
  5. Step 5: Solve for x
    x = 419,456,340,566.63/971,240.09
  6. Step 6: Final answer
    x = 431,877.09

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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.