Home / 670,529.52-1,006,778.52-418,882.32

Finding the Fourth Proportional to 670,529.52, 1,006,778.52 and 418,882.32

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Solution

The fourth proportional to 670,529.52, 1,006,778.52 and 418,882.32 is: 628,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,529.52 : 1,006,778.52 = 418,882.32 : x
  2. Step 2: Convert to fraction form
    670,529.52/1,006,778.52 = 418,882.32/x
  3. Step 3: Cross multiply
    670,529.52x = 1,006,778.52 × 418,882.32
  4. Step 4: Simplify right side
    670,529.52x = 421,721,722,183.77
  5. Step 5: Solve for x
    x = 421,721,722,183.77/670,529.52
  6. Step 6: Final answer
    x = 628,938.34

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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.