Home / 693,933.68-1,040,483.84-288,638.39

Finding the Fourth Proportional to 693,933.68, 1,040,483.84 and 288,638.39

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Solution

The fourth proportional to 693,933.68, 1,040,483.84 and 288,638.39 is: 432,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,933.68 : 1,040,483.84 = 288,638.39 : x
  2. Step 2: Convert to fraction form
    693,933.68/1,040,483.84 = 288,638.39/x
  3. Step 3: Cross multiply
    693,933.68x = 1,040,483.84 × 288,638.39
  4. Step 4: Simplify right side
    693,933.68x = 300,323,581,556.64
  5. Step 5: Solve for x
    x = 300,323,581,556.64/693,933.68
  6. Step 6: Final answer
    x = 432,784.27

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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.