Home / 839,494.80-1,258,870.68-240,319.44

Finding the Fourth Proportional to 839,494.80, 1,258,870.68 and 240,319.44

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Solution

The fourth proportional to 839,494.80, 1,258,870.68 and 240,319.44 is: 360,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,494.80 : 1,258,870.68 = 240,319.44 : x
  2. Step 2: Convert to fraction form
    839,494.80/1,258,870.68 = 240,319.44/x
  3. Step 3: Cross multiply
    839,494.80x = 1,258,870.68 × 240,319.44
  4. Step 4: Simplify right side
    839,494.80x = 302,531,096,850.02
  5. Step 5: Solve for x
    x = 302,531,096,850.02/839,494.80
  6. Step 6: Final answer
    x = 360,372.81

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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.