Home / 670,047.84-1,005,194.86-220,795.20

Finding the Fourth Proportional to 670,047.84, 1,005,194.86 and 220,795.20

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Solution

The fourth proportional to 670,047.84, 1,005,194.86 and 220,795.20 is: 331,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,047.84 : 1,005,194.86 = 220,795.20 : x
  2. Step 2: Convert to fraction form
    670,047.84/1,005,194.86 = 220,795.20/x
  3. Step 3: Cross multiply
    670,047.84x = 1,005,194.86 × 220,795.20
  4. Step 4: Simplify right side
    670,047.84x = 221,942,200,152.67
  5. Step 5: Solve for x
    x = 221,942,200,152.67/670,047.84
  6. Step 6: Final answer
    x = 331,233.36

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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.