Home / 723,299.03-1,084,993.65-190,820.57

Finding the Fourth Proportional to 723,299.03, 1,084,993.65 and 190,820.57

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Solution

The fourth proportional to 723,299.03, 1,084,993.65 and 190,820.57 is: 286,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,299.03 : 1,084,993.65 = 190,820.57 : x
  2. Step 2: Convert to fraction form
    723,299.03/1,084,993.65 = 190,820.57/x
  3. Step 3: Cross multiply
    723,299.03x = 1,084,993.65 × 190,820.57
  4. Step 4: Simplify right side
    723,299.03x = 207,039,100,360.31
  5. Step 5: Solve for x
    x = 207,039,100,360.31/723,299.03
  6. Step 6: Final answer
    x = 286,242.75

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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.