Home / 669,973.88-1,004,744.80-220,587.72

Finding the Fourth Proportional to 669,973.88, 1,004,744.80 and 220,587.72

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Solution

The fourth proportional to 669,973.88, 1,004,744.80 and 220,587.72 is: 330,810.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,973.88 : 1,004,744.80 = 220,587.72 : x
  2. Step 2: Convert to fraction form
    669,973.88/1,004,744.80 = 220,587.72/x
  3. Step 3: Cross multiply
    669,973.88x = 1,004,744.80 × 220,587.72
  4. Step 4: Simplify right side
    669,973.88x = 221,634,364,613.86
  5. Step 5: Solve for x
    x = 221,634,364,613.86/669,973.88
  6. Step 6: Final answer
    x = 330,810.46

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Double scale
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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.