Home / 648,339.20-971,843.69-248,872.40

Finding the Fourth Proportional to 648,339.20, 971,843.69 and 248,872.40

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Solution

The fourth proportional to 648,339.20, 971,843.69 and 248,872.40 is: 373,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,339.20 : 971,843.69 = 248,872.40 : x
  2. Step 2: Convert to fraction form
    648,339.20/971,843.69 = 248,872.40/x
  3. Step 3: Cross multiply
    648,339.20x = 971,843.69 × 248,872.40
  4. Step 4: Simplify right side
    648,339.20x = 241,865,067,318.12
  5. Step 5: Solve for x
    x = 241,865,067,318.12/648,339.20
  6. Step 6: Final answer
    x = 373,053.29

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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.