Home / 726,547.51-1,090,054.68-221,206.33

Finding the Fourth Proportional to 726,547.51, 1,090,054.68 and 221,206.33

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Solution

The fourth proportional to 726,547.51, 1,090,054.68 and 221,206.33 is: 331,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,547.51 : 1,090,054.68 = 221,206.33 : x
  2. Step 2: Convert to fraction form
    726,547.51/1,090,054.68 = 221,206.33/x
  3. Step 3: Cross multiply
    726,547.51x = 1,090,054.68 × 221,206.33
  4. Step 4: Simplify right side
    726,547.51x = 241,126,995,262.12
  5. Step 5: Solve for x
    x = 241,126,995,262.12/726,547.51
  6. Step 6: Final answer
    x = 331,880.56

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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.