Home / 839,809.80-1,259,931.88-240,814.80

Finding the Fourth Proportional to 839,809.80, 1,259,931.88 and 240,814.80

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Solution

The fourth proportional to 839,809.80, 1,259,931.88 and 240,814.80 is: 361,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809.80 : 1,259,931.88 = 240,814.80 : x
  2. Step 2: Convert to fraction form
    839,809.80/1,259,931.88 = 240,814.80/x
  3. Step 3: Cross multiply
    839,809.80x = 1,259,931.88 × 240,814.80
  4. Step 4: Simplify right side
    839,809.80x = 303,410,243,695.82
  5. Step 5: Solve for x
    x = 303,410,243,695.82/839,809.80
  6. Step 6: Final answer
    x = 361,284.48

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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.