Home / 886,922.40-1,330,556.40-354,352.80

Finding the Fourth Proportional to 886,922.40, 1,330,556.40 and 354,352.80

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Solution

The fourth proportional to 886,922.40, 1,330,556.40 and 354,352.80 is: 531,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,922.40 : 1,330,556.40 = 354,352.80 : x
  2. Step 2: Convert to fraction form
    886,922.40/1,330,556.40 = 354,352.80/x
  3. Step 3: Cross multiply
    886,922.40x = 1,330,556.40 × 354,352.80
  4. Step 4: Simplify right side
    886,922.40x = 471,486,385,897.92
  5. Step 5: Solve for x
    x = 471,486,385,897.92/886,922.40
  6. Step 6: Final answer
    x = 531,598.24

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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.