Home / 989,282.80-1,483,837.80-324,434.80

Finding the Fourth Proportional to 989,282.80, 1,483,837.80 and 324,434.80

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Solution

The fourth proportional to 989,282.80, 1,483,837.80 and 324,434.80 is: 486,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,282.80 : 1,483,837.80 = 324,434.80 : x
  2. Step 2: Convert to fraction form
    989,282.80/1,483,837.80 = 324,434.80/x
  3. Step 3: Cross multiply
    989,282.80x = 1,483,837.80 × 324,434.80
  4. Step 4: Simplify right side
    989,282.80x = 481,408,619,875.44
  5. Step 5: Solve for x
    x = 481,408,619,875.44/989,282.80
  6. Step 6: Final answer
    x = 486,623.87

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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.