Home / 447,749.48-671,623.50-307,081.64

Finding the Fourth Proportional to 447,749.48, 671,623.50 and 307,081.64

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Solution

The fourth proportional to 447,749.48, 671,623.50 and 307,081.64 is: 460,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,749.48 : 671,623.50 = 307,081.64 : x
  2. Step 2: Convert to fraction form
    447,749.48/671,623.50 = 307,081.64/x
  3. Step 3: Cross multiply
    447,749.48x = 671,623.50 × 307,081.64
  4. Step 4: Simplify right side
    447,749.48x = 206,243,245,842.54
  5. Step 5: Solve for x
    x = 206,243,245,842.54/447,749.48
  6. Step 6: Final answer
    x = 460,621.97

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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.