Home / 823,337.10-1,234,422.45-317,702.70

Finding the Fourth Proportional to 823,337.10, 1,234,422.45 and 317,702.70

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Solution

The fourth proportional to 823,337.10, 1,234,422.45 and 317,702.70 is: 476,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,337.10 : 1,234,422.45 = 317,702.70 : x
  2. Step 2: Convert to fraction form
    823,337.10/1,234,422.45 = 317,702.70/x
  3. Step 3: Cross multiply
    823,337.10x = 1,234,422.45 × 317,702.70
  4. Step 4: Simplify right side
    823,337.10x = 392,179,345,305.62
  5. Step 5: Solve for x
    x = 392,179,345,305.62/823,337.10
  6. Step 6: Final answer
    x = 476,329.01

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Double scale
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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.