Home / 671,811.70-1,007,717.55-198,501.70

Finding the Fourth Proportional to 671,811.70, 1,007,717.55 and 198,501.70

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Solution

The fourth proportional to 671,811.70, 1,007,717.55 and 198,501.70 is: 297,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,811.70 : 1,007,717.55 = 198,501.70 : x
  2. Step 2: Convert to fraction form
    671,811.70/1,007,717.55 = 198,501.70/x
  3. Step 3: Cross multiply
    671,811.70x = 1,007,717.55 × 198,501.70
  4. Step 4: Simplify right side
    671,811.70x = 200,033,646,794.84
  5. Step 5: Solve for x
    x = 200,033,646,794.84/671,811.70
  6. Step 6: Final answer
    x = 297,752.55

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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.