Home / 723,561.22-1,085,346.69-218,123.65

Finding the Fourth Proportional to 723,561.22, 1,085,346.69 and 218,123.65

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Solution

The fourth proportional to 723,561.22, 1,085,346.69 and 218,123.65 is: 327,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,561.22 : 1,085,346.69 = 218,123.65 : x
  2. Step 2: Convert to fraction form
    723,561.22/1,085,346.69 = 218,123.65/x
  3. Step 3: Cross multiply
    723,561.22x = 1,085,346.69 × 218,123.65
  4. Step 4: Simplify right side
    723,561.22x = 236,739,781,538.22
  5. Step 5: Solve for x
    x = 236,739,781,538.22/723,561.22
  6. Step 6: Final answer
    x = 327,186.94

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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.