Home / 670,065.08-1,005,220.74-220,812.44

Finding the Fourth Proportional to 670,065.08, 1,005,220.74 and 220,812.44

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Solution

The fourth proportional to 670,065.08, 1,005,220.74 and 220,812.44 is: 331,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,065.08 : 1,005,220.74 = 220,812.44 : x
  2. Step 2: Convert to fraction form
    670,065.08/1,005,220.74 = 220,812.44/x
  3. Step 3: Cross multiply
    670,065.08x = 1,005,220.74 × 220,812.44
  4. Step 4: Simplify right side
    670,065.08x = 221,965,244,338.01
  5. Step 5: Solve for x
    x = 221,965,244,338.01/670,065.08
  6. Step 6: Final answer
    x = 331,259.23

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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.