Home / 824,577.52-1,237,042.68-255,946.20

Finding the Fourth Proportional to 824,577.52, 1,237,042.68 and 255,946.20

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Solution

The fourth proportional to 824,577.52, 1,237,042.68 and 255,946.20 is: 383,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,577.52 : 1,237,042.68 = 255,946.20 : x
  2. Step 2: Convert to fraction form
    824,577.52/1,237,042.68 = 255,946.20/x
  3. Step 3: Cross multiply
    824,577.52x = 1,237,042.68 × 255,946.20
  4. Step 4: Simplify right side
    824,577.52x = 316,616,373,183.82
  5. Step 5: Solve for x
    x = 316,616,373,183.82/824,577.52
  6. Step 6: Final answer
    x = 383,974.05

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Double scale
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Similar ratio
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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.