Home / 749,522.85-1,124,382.80-394,556.36

Finding the Fourth Proportional to 749,522.85, 1,124,382.80 and 394,556.36

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Solution

The fourth proportional to 749,522.85, 1,124,382.80 and 394,556.36 is: 591,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,522.85 : 1,124,382.80 = 394,556.36 : x
  2. Step 2: Convert to fraction form
    749,522.85/1,124,382.80 = 394,556.36/x
  3. Step 3: Cross multiply
    749,522.85x = 1,124,382.80 × 394,556.36
  4. Step 4: Simplify right side
    749,522.85x = 443,632,377,219.91
  5. Step 5: Solve for x
    x = 443,632,377,219.91/749,522.85
  6. Step 6: Final answer
    x = 591,886.39

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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.