Home / 899,647.79-1,349,541.39-300,611.05

Finding the Fourth Proportional to 899,647.79, 1,349,541.39 and 300,611.05

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Solution

The fourth proportional to 899,647.79, 1,349,541.39 and 300,611.05 is: 450,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,647.79 : 1,349,541.39 = 300,611.05 : x
  2. Step 2: Convert to fraction form
    899,647.79/1,349,541.39 = 300,611.05/x
  3. Step 3: Cross multiply
    899,647.79x = 1,349,541.39 × 300,611.05
  4. Step 4: Simplify right side
    899,647.79x = 405,687,054,266.36
  5. Step 5: Solve for x
    x = 405,687,054,266.36/899,647.79
  6. Step 6: Final answer
    x = 450,939.87

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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.