Home / 839,615.22-1,259,547.96-270,809.31

Finding the Fourth Proportional to 839,615.22, 1,259,547.96 and 270,809.31

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Solution

The fourth proportional to 839,615.22, 1,259,547.96 and 270,809.31 is: 406,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,615.22 : 1,259,547.96 = 270,809.31 : x
  2. Step 2: Convert to fraction form
    839,615.22/1,259,547.96 = 270,809.31/x
  3. Step 3: Cross multiply
    839,615.22x = 1,259,547.96 × 270,809.31
  4. Step 4: Simplify right side
    839,615.22x = 341,097,313,959.51
  5. Step 5: Solve for x
    x = 341,097,313,959.51/839,615.22
  6. Step 6: Final answer
    x = 406,254.32

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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.