Home / 839,208.65-1,259,910.57-498,274.47

Finding the Fourth Proportional to 839,208.65, 1,259,910.57 and 498,274.47

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Solution

The fourth proportional to 839,208.65, 1,259,910.57 and 498,274.47 is: 748,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,208.65 : 1,259,910.57 = 498,274.47 : x
  2. Step 2: Convert to fraction form
    839,208.65/1,259,910.57 = 498,274.47/x
  3. Step 3: Cross multiply
    839,208.65x = 1,259,910.57 × 498,274.47
  4. Step 4: Simplify right side
    839,208.65x = 627,781,271,514.15
  5. Step 5: Solve for x
    x = 627,781,271,514.15/839,208.65
  6. Step 6: Final answer
    x = 748,063.40

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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.