Home / 670,336.44-1,005,290.98-220,973.55

Finding the Fourth Proportional to 670,336.44, 1,005,290.98 and 220,973.55

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Solution

The fourth proportional to 670,336.44, 1,005,290.98 and 220,973.55 is: 331,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,336.44 : 1,005,290.98 = 220,973.55 : x
  2. Step 2: Convert to fraction form
    670,336.44/1,005,290.98 = 220,973.55/x
  3. Step 3: Cross multiply
    670,336.44x = 1,005,290.98 × 220,973.55
  4. Step 4: Simplify right side
    670,336.44x = 222,142,716,633.58
  5. Step 5: Solve for x
    x = 222,142,716,633.58/670,336.44
  6. Step 6: Final answer
    x = 331,389.89

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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.