Home / 971,240.98-1,456,612.98-287,968.08

Finding the Fourth Proportional to 971,240.98, 1,456,612.98 and 287,968.08

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Solution

The fourth proportional to 971,240.98, 1,456,612.98 and 287,968.08 is: 431,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,240.98 : 1,456,612.98 = 287,968.08 : x
  2. Step 2: Convert to fraction form
    971,240.98/1,456,612.98 = 287,968.08/x
  3. Step 3: Cross multiply
    971,240.98x = 1,456,612.98 × 287,968.08
  4. Step 4: Simplify right side
    971,240.98x = 419,458,043,153.68
  5. Step 5: Solve for x
    x = 419,458,043,153.68/971,240.98
  6. Step 6: Final answer
    x = 431,878.44

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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.