Home / 721,852.93-1,082,340.93-361,604.82

Finding the Fourth Proportional to 721,852.93, 1,082,340.93 and 361,604.82

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Solution

The fourth proportional to 721,852.93, 1,082,340.93 and 361,604.82 is: 542,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,852.93 : 1,082,340.93 = 361,604.82 : x
  2. Step 2: Convert to fraction form
    721,852.93/1,082,340.93 = 361,604.82/x
  3. Step 3: Cross multiply
    721,852.93x = 1,082,340.93 × 361,604.82
  4. Step 4: Simplify right side
    721,852.93x = 391,379,702,586.08
  5. Step 5: Solve for x
    x = 391,379,702,586.08/721,852.93
  6. Step 6: Final answer
    x = 542,187.59

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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.