Home / 839,808.30-1,259,929.63-240,813.30

Finding the Fourth Proportional to 839,808.30, 1,259,929.63 and 240,813.30

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Solution

The fourth proportional to 839,808.30, 1,259,929.63 and 240,813.30 is: 361,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808.30 : 1,259,929.63 = 240,813.30 : x
  2. Step 2: Convert to fraction form
    839,808.30/1,259,929.63 = 240,813.30/x
  3. Step 3: Cross multiply
    839,808.30x = 1,259,929.63 × 240,813.30
  4. Step 4: Simplify right side
    839,808.30x = 303,407,811,968.08
  5. Step 5: Solve for x
    x = 303,407,811,968.08/839,808.30
  6. Step 6: Final answer
    x = 361,282.23

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Double scale
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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.