Home / 723,327.45-1,085,036.22-190,849.03

Finding the Fourth Proportional to 723,327.45, 1,085,036.22 and 190,849.03

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Solution

The fourth proportional to 723,327.45, 1,085,036.22 and 190,849.03 is: 286,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,327.45 : 1,085,036.22 = 190,849.03 : x
  2. Step 2: Convert to fraction form
    723,327.45/1,085,036.22 = 190,849.03/x
  3. Step 3: Cross multiply
    723,327.45x = 1,085,036.22 × 190,849.03
  4. Step 4: Simplify right side
    723,327.45x = 207,078,110,101.87
  5. Step 5: Solve for x
    x = 207,078,110,101.87/723,327.45
  6. Step 6: Final answer
    x = 286,285.43

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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.