Home / 749,525.85-1,124,387.31-394,559.37

Finding the Fourth Proportional to 749,525.85, 1,124,387.31 and 394,559.37

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Solution

The fourth proportional to 749,525.85, 1,124,387.31 and 394,559.37 is: 591,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,525.85 : 1,124,387.31 = 394,559.37 : x
  2. Step 2: Convert to fraction form
    749,525.85/1,124,387.31 = 394,559.37/x
  3. Step 3: Cross multiply
    749,525.85x = 1,124,387.31 × 394,559.37
  4. Step 4: Simplify right side
    749,525.85x = 443,637,548,669.60
  5. Step 5: Solve for x
    x = 443,637,548,669.60/749,525.85
  6. Step 6: Final answer
    x = 591,890.93

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Double scale
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Similar ratio
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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.