Home / 670,807.37-1,006,310.79-221,575.70

Finding the Fourth Proportional to 670,807.37, 1,006,310.79 and 221,575.70

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Solution

The fourth proportional to 670,807.37, 1,006,310.79 and 221,575.70 is: 332,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,807.37 : 1,006,310.79 = 221,575.70 : x
  2. Step 2: Convert to fraction form
    670,807.37/1,006,310.79 = 221,575.70/x
  3. Step 3: Cross multiply
    670,807.37x = 1,006,310.79 × 221,575.70
  4. Step 4: Simplify right side
    670,807.37x = 222,974,020,227.58
  5. Step 5: Solve for x
    x = 222,974,020,227.58/670,807.37
  6. Step 6: Final answer
    x = 332,396.50

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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.