Home / 670,009.43-1,004,798.18-220,623.30

Finding the Fourth Proportional to 670,009.43, 1,004,798.18 and 220,623.30

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Solution

The fourth proportional to 670,009.43, 1,004,798.18 and 220,623.30 is: 330,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,009.43 : 1,004,798.18 = 220,623.30 : x
  2. Step 2: Convert to fraction form
    670,009.43/1,004,798.18 = 220,623.30/x
  3. Step 3: Cross multiply
    670,009.43x = 1,004,798.18 × 220,623.30
  4. Step 4: Simplify right side
    670,009.43x = 221,681,889,202.48
  5. Step 5: Solve for x
    x = 221,681,889,202.48/670,009.43
  6. Step 6: Final answer
    x = 330,863.84

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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.