Home / 840,012.22-1,259,624.26-307,160.65

Finding the Fourth Proportional to 840,012.22, 1,259,624.26 and 307,160.65

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Solution

The fourth proportional to 840,012.22, 1,259,624.26 and 307,160.65 is: 460,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,012.22 : 1,259,624.26 = 307,160.65 : x
  2. Step 2: Convert to fraction form
    840,012.22/1,259,624.26 = 307,160.65/x
  3. Step 3: Cross multiply
    840,012.22x = 1,259,624.26 × 307,160.65
  4. Step 4: Simplify right side
    840,012.22x = 386,907,006,457.37
  5. Step 5: Solve for x
    x = 386,907,006,457.37/840,012.22
  6. Step 6: Final answer
    x = 460,596.88

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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.