Home / 694,562.30-1,041,843.45-428,623.10

Finding the Fourth Proportional to 694,562.30, 1,041,843.45 and 428,623.10

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Solution

The fourth proportional to 694,562.30, 1,041,843.45 and 428,623.10 is: 642,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,562.30 : 1,041,843.45 = 428,623.10 : x
  2. Step 2: Convert to fraction form
    694,562.30/1,041,843.45 = 428,623.10/x
  3. Step 3: Cross multiply
    694,562.30x = 1,041,843.45 × 428,623.10
  4. Step 4: Simplify right side
    694,562.30x = 446,558,169,253.70
  5. Step 5: Solve for x
    x = 446,558,169,253.70/694,562.30
  6. Step 6: Final answer
    x = 642,934.65

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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.