Home / 763,903.45-1,145,850.62-195,283.65

Finding the Fourth Proportional to 763,903.45, 1,145,850.62 and 195,283.65

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Solution

The fourth proportional to 763,903.45, 1,145,850.62 and 195,283.65 is: 292,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,903.45 : 1,145,850.62 = 195,283.65 : x
  2. Step 2: Convert to fraction form
    763,903.45/1,145,850.62 = 195,283.65/x
  3. Step 3: Cross multiply
    763,903.45x = 1,145,850.62 × 195,283.65
  4. Step 4: Simplify right side
    763,903.45x = 223,765,888,712.52
  5. Step 5: Solve for x
    x = 223,765,888,712.52/763,903.45
  6. Step 6: Final answer
    x = 292,924.31

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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.