Home / 900,249.66-1,349,673.36-450,738.90

Finding the Fourth Proportional to 900,249.66, 1,349,673.36 and 450,738.90

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Solution

The fourth proportional to 900,249.66, 1,349,673.36 and 450,738.90 is: 675,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,249.66 : 1,349,673.36 = 450,738.90 : x
  2. Step 2: Convert to fraction form
    900,249.66/1,349,673.36 = 450,738.90/x
  3. Step 3: Cross multiply
    900,249.66x = 1,349,673.36 × 450,738.90
  4. Step 4: Simplify right side
    900,249.66x = 608,350,285,645.70
  5. Step 5: Solve for x
    x = 608,350,285,645.70/900,249.66
  6. Step 6: Final answer
    x = 675,757.31

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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.