Home / 790,477.53-1,185,712.33-191,438.67

Finding the Fourth Proportional to 790,477.53, 1,185,712.33 and 191,438.67

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Solution

The fourth proportional to 790,477.53, 1,185,712.33 and 191,438.67 is: 287,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,477.53 : 1,185,712.33 = 191,438.67 : x
  2. Step 2: Convert to fraction form
    790,477.53/1,185,712.33 = 191,438.67/x
  3. Step 3: Cross multiply
    790,477.53x = 1,185,712.33 × 191,438.67
  4. Step 4: Simplify right side
    790,477.53x = 226,991,190,979.20
  5. Step 5: Solve for x
    x = 226,991,190,979.20/790,477.53
  6. Step 6: Final answer
    x = 287,157.04

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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.