Home / 839,738.08-1,259,477.20-307,134.56

Finding the Fourth Proportional to 839,738.08, 1,259,477.20 and 307,134.56

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Solution

The fourth proportional to 839,738.08, 1,259,477.20 and 307,134.56 is: 460,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,738.08 : 1,259,477.20 = 307,134.56 : x
  2. Step 2: Convert to fraction form
    839,738.08/1,259,477.20 = 307,134.56/x
  3. Step 3: Cross multiply
    839,738.08x = 1,259,477.20 × 307,134.56
  4. Step 4: Simplify right side
    839,738.08x = 386,828,975,652.03
  5. Step 5: Solve for x
    x = 386,828,975,652.03/839,738.08
  6. Step 6: Final answer
    x = 460,654.32

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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.