Home / 886,586.80-1,329,005.40-436,939.60

Finding the Fourth Proportional to 886,586.80, 1,329,005.40 and 436,939.60

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Solution

The fourth proportional to 886,586.80, 1,329,005.40 and 436,939.60 is: 654,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,586.80 : 1,329,005.40 = 436,939.60 : x
  2. Step 2: Convert to fraction form
    886,586.80/1,329,005.40 = 436,939.60/x
  3. Step 3: Cross multiply
    886,586.80x = 1,329,005.40 × 436,939.60
  4. Step 4: Simplify right side
    886,586.80x = 580,695,087,873.84
  5. Step 5: Solve for x
    x = 580,695,087,873.84/886,586.80
  6. Step 6: Final answer
    x = 654,978.27

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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.