Home / 839,402.68-1,259,350.14-270,772.36

Finding the Fourth Proportional to 839,402.68, 1,259,350.14 and 270,772.36

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Solution

The fourth proportional to 839,402.68, 1,259,350.14 and 270,772.36 is: 406,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,402.68 : 1,259,350.14 = 270,772.36 : x
  2. Step 2: Convert to fraction form
    839,402.68/1,259,350.14 = 270,772.36/x
  3. Step 3: Cross multiply
    839,402.68x = 1,259,350.14 × 270,772.36
  4. Step 4: Simplify right side
    839,402.68x = 340,997,209,474.13
  5. Step 5: Solve for x
    x = 340,997,209,474.13/839,402.68
  6. Step 6: Final answer
    x = 406,237.93

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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.