Home / 839,657.96-1,259,492.60-306,959.84

Finding the Fourth Proportional to 839,657.96, 1,259,492.60 and 306,959.84

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Solution

The fourth proportional to 839,657.96, 1,259,492.60 and 306,959.84 is: 460,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,657.96 : 1,259,492.60 = 306,959.84 : x
  2. Step 2: Convert to fraction form
    839,657.96/1,259,492.60 = 306,959.84/x
  3. Step 3: Cross multiply
    839,657.96x = 1,259,492.60 × 306,959.84
  4. Step 4: Simplify right side
    839,657.96x = 386,613,646,977.18
  5. Step 5: Solve for x
    x = 386,613,646,977.18/839,657.96
  6. Step 6: Final answer
    x = 460,441.83

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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.