Home / 839,495.80-1,258,872.18-240,320.44

Finding the Fourth Proportional to 839,495.80, 1,258,872.18 and 240,320.44

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Solution

The fourth proportional to 839,495.80, 1,258,872.18 and 240,320.44 is: 360,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,495.80 : 1,258,872.18 = 240,320.44 : x
  2. Step 2: Convert to fraction form
    839,495.80/1,258,872.18 = 240,320.44/x
  3. Step 3: Cross multiply
    839,495.80x = 1,258,872.18 × 240,320.44
  4. Step 4: Simplify right side
    839,495.80x = 302,532,716,201.36
  5. Step 5: Solve for x
    x = 302,532,716,201.36/839,495.80
  6. Step 6: Final answer
    x = 360,374.31

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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.