Home / 839,858.28-1,259,416.80-240,683.46

Finding the Fourth Proportional to 839,858.28, 1,259,416.80 and 240,683.46

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Solution

The fourth proportional to 839,858.28, 1,259,416.80 and 240,683.46 is: 360,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,858.28 : 1,259,416.80 = 240,683.46 : x
  2. Step 2: Convert to fraction form
    839,858.28/1,259,416.80 = 240,683.46/x
  3. Step 3: Cross multiply
    839,858.28x = 1,259,416.80 × 240,683.46
  4. Step 4: Simplify right side
    839,858.28x = 303,120,791,802.71
  5. Step 5: Solve for x
    x = 303,120,791,802.71/839,858.28
  6. Step 6: Final answer
    x = 360,918.98

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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.