Home / 839,973.29-1,259,964.99-208,887.17

Finding the Fourth Proportional to 839,973.29, 1,259,964.99 and 208,887.17

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Solution

The fourth proportional to 839,973.29, 1,259,964.99 and 208,887.17 is: 313,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,973.29 : 1,259,964.99 = 208,887.17 : x
  2. Step 2: Convert to fraction form
    839,973.29/1,259,964.99 = 208,887.17/x
  3. Step 3: Cross multiply
    839,973.29x = 1,259,964.99 × 208,887.17
  4. Step 4: Simplify right side
    839,973.29x = 263,190,514,760.35
  5. Step 5: Solve for x
    x = 263,190,514,760.35/839,973.29
  6. Step 6: Final answer
    x = 313,332.01

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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.