Home / 839,901.51-1,259,665.70-240,860.07

Finding the Fourth Proportional to 839,901.51, 1,259,665.70 and 240,860.07

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Solution

The fourth proportional to 839,901.51, 1,259,665.70 and 240,860.07 is: 361,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,901.51 : 1,259,665.70 = 240,860.07 : x
  2. Step 2: Convert to fraction form
    839,901.51/1,259,665.70 = 240,860.07/x
  3. Step 3: Cross multiply
    839,901.51x = 1,259,665.70 × 240,860.07
  4. Step 4: Simplify right side
    839,901.51x = 303,403,167,474.30
  5. Step 5: Solve for x
    x = 303,403,167,474.30/839,901.51
  6. Step 6: Final answer
    x = 361,236.60

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1.5x scale

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.