Home / 740,257-1,110,394.60-260,499.12

Finding the Fourth Proportional to 740,257, 1,110,394.60 and 260,499.12

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Solution

The fourth proportional to 740,257, 1,110,394.60 and 260,499.12 is: 390,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,257 : 1,110,394.60 = 260,499.12 : x
  2. Step 2: Convert to fraction form
    740,257/1,110,394.60 = 260,499.12/x
  3. Step 3: Cross multiply
    740,257x = 1,110,394.60 × 260,499.12
  4. Step 4: Simplify right side
    740,257x = 289,256,816,152.75
  5. Step 5: Solve for x
    x = 289,256,816,152.75/740,257
  6. Step 6: Final answer
    x = 390,751.88

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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.