Home / 886,555.24-1,329,859.74-287,499.88

Finding the Fourth Proportional to 886,555.24, 1,329,859.74 and 287,499.88

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Solution

The fourth proportional to 886,555.24, 1,329,859.74 and 287,499.88 is: 431,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,555.24 : 1,329,859.74 = 287,499.88 : x
  2. Step 2: Convert to fraction form
    886,555.24/1,329,859.74 = 287,499.88/x
  3. Step 3: Cross multiply
    886,555.24x = 1,329,859.74 × 287,499.88
  4. Step 4: Simplify right side
    886,555.24x = 382,334,515,666.83
  5. Step 5: Solve for x
    x = 382,334,515,666.83/886,555.24
  6. Step 6: Final answer
    x = 431,258.54

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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.