Home / 740,012.85-1,109,338.88-266,582.43

Finding the Fourth Proportional to 740,012.85, 1,109,338.88 and 266,582.43

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Solution

The fourth proportional to 740,012.85, 1,109,338.88 and 266,582.43 is: 399,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,012.85 : 1,109,338.88 = 266,582.43 : x
  2. Step 2: Convert to fraction form
    740,012.85/1,109,338.88 = 266,582.43/x
  3. Step 3: Cross multiply
    740,012.85x = 1,109,338.88 × 266,582.43
  4. Step 4: Simplify right side
    740,012.85x = 295,730,252,990.97
  5. Step 5: Solve for x
    x = 295,730,252,990.97/740,012.85
  6. Step 6: Final answer
    x = 399,628.54

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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.