Home / 678,234.90-1,017,514.35-204,924.90

Finding the Fourth Proportional to 678,234.90, 1,017,514.35 and 204,924.90

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Solution

The fourth proportional to 678,234.90, 1,017,514.35 and 204,924.90 is: 307,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,234.90 : 1,017,514.35 = 204,924.90 : x
  2. Step 2: Convert to fraction form
    678,234.90/1,017,514.35 = 204,924.90/x
  3. Step 3: Cross multiply
    678,234.90x = 1,017,514.35 × 204,924.90
  4. Step 4: Simplify right side
    678,234.90x = 208,514,026,422.32
  5. Step 5: Solve for x
    x = 208,514,026,422.32/678,234.90
  6. Step 6: Final answer
    x = 307,436.30

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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.