Home / 839,809.31-1,259,931.14-240,814.31

Finding the Fourth Proportional to 839,809.31, 1,259,931.14 and 240,814.31

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Solution

The fourth proportional to 839,809.31, 1,259,931.14 and 240,814.31 is: 361,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809.31 : 1,259,931.14 = 240,814.31 : x
  2. Step 2: Convert to fraction form
    839,809.31/1,259,931.14 = 240,814.31/x
  3. Step 3: Cross multiply
    839,809.31x = 1,259,931.14 × 240,814.31
  4. Step 4: Simplify right side
    839,809.31x = 303,409,440,622.89
  5. Step 5: Solve for x
    x = 303,409,440,622.89/839,809.31
  6. Step 6: Final answer
    x = 361,283.73

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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.