Home / 670,501.80-1,005,784.20-221,261.94

Finding the Fourth Proportional to 670,501.80, 1,005,784.20 and 221,261.94

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Solution

The fourth proportional to 670,501.80, 1,005,784.20 and 221,261.94 is: 331,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,501.80 : 1,005,784.20 = 221,261.94 : x
  2. Step 2: Convert to fraction form
    670,501.80/1,005,784.20 = 221,261.94/x
  3. Step 3: Cross multiply
    670,501.80x = 1,005,784.20 × 221,261.94
  4. Step 4: Simplify right side
    670,501.80x = 222,541,763,313.35
  5. Step 5: Solve for x
    x = 222,541,763,313.35/670,501.80
  6. Step 6: Final answer
    x = 331,903.30

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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.