Home / 547,836.60-822,369.30-423,727.80

Finding the Fourth Proportional to 547,836.60, 822,369.30 and 423,727.80

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Solution

The fourth proportional to 547,836.60, 822,369.30 and 423,727.80 is: 636,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,836.60 : 822,369.30 = 423,727.80 : x
  2. Step 2: Convert to fraction form
    547,836.60/822,369.30 = 423,727.80/x
  3. Step 3: Cross multiply
    547,836.60x = 822,369.30 × 423,727.80
  4. Step 4: Simplify right side
    547,836.60x = 348,460,734,276.54
  5. Step 5: Solve for x
    x = 348,460,734,276.54/547,836.60
  6. Step 6: Final answer
    x = 636,066.91

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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.