Home / 745,874.80-1,118,922.46-272,449.44

Finding the Fourth Proportional to 745,874.80, 1,118,922.46 and 272,449.44

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Solution

The fourth proportional to 745,874.80, 1,118,922.46 and 272,449.44 is: 408,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,874.80 : 1,118,922.46 = 272,449.44 : x
  2. Step 2: Convert to fraction form
    745,874.80/1,118,922.46 = 272,449.44/x
  3. Step 3: Cross multiply
    745,874.80x = 1,118,922.46 × 272,449.44
  4. Step 4: Simplify right side
    745,874.80x = 304,849,796,949.30
  5. Step 5: Solve for x
    x = 304,849,796,949.30/745,874.80
  6. Step 6: Final answer
    x = 408,714.44

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1.5x scale

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.