Home / 839,572.28-1,259,024.34-306,971.96

Finding the Fourth Proportional to 839,572.28, 1,259,024.34 and 306,971.96

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Solution

The fourth proportional to 839,572.28, 1,259,024.34 and 306,971.96 is: 460,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,572.28 : 1,259,024.34 = 306,971.96 : x
  2. Step 2: Convert to fraction form
    839,572.28/1,259,024.34 = 306,971.96/x
  3. Step 3: Cross multiply
    839,572.28x = 1,259,024.34 × 306,971.96
  4. Step 4: Simplify right side
    839,572.28x = 386,485,169,337.51
  5. Step 5: Solve for x
    x = 386,485,169,337.51/839,572.28
  6. Step 6: Final answer
    x = 460,335.79

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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.