Home / 867,850.19-1,301,860.88-299,156.42

Finding the Fourth Proportional to 867,850.19, 1,301,860.88 and 299,156.42

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Solution

The fourth proportional to 867,850.19, 1,301,860.88 and 299,156.42 is: 448,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,850.19 : 1,301,860.88 = 299,156.42 : x
  2. Step 2: Convert to fraction form
    867,850.19/1,301,860.88 = 299,156.42/x
  3. Step 3: Cross multiply
    867,850.19x = 1,301,860.88 × 299,156.42
  4. Step 4: Simplify right side
    867,850.19x = 389,460,040,499.99
  5. Step 5: Solve for x
    x = 389,460,040,499.99/867,850.19
  6. Step 6: Final answer
    x = 448,764.14

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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.