Home / 824,345.40-1,236,694.62-255,714.20

Finding the Fourth Proportional to 824,345.40, 1,236,694.62 and 255,714.20

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Solution

The fourth proportional to 824,345.40, 1,236,694.62 and 255,714.20 is: 383,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,345.40 : 1,236,694.62 = 255,714.20 : x
  2. Step 2: Convert to fraction form
    824,345.40/1,236,694.62 = 255,714.20/x
  3. Step 3: Cross multiply
    824,345.40x = 1,236,694.62 × 255,714.20
  4. Step 4: Simplify right side
    824,345.40x = 316,240,369,214.13
  5. Step 5: Solve for x
    x = 316,240,369,214.13/824,345.40
  6. Step 6: Final answer
    x = 383,626.05

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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.