Home / 740,049.20-1,109,587.80-290,499.20

Finding the Fourth Proportional to 740,049.20, 1,109,587.80 and 290,499.20

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Solution

The fourth proportional to 740,049.20, 1,109,587.80 and 290,499.20 is: 435,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,049.20 : 1,109,587.80 = 290,499.20 : x
  2. Step 2: Convert to fraction form
    740,049.20/1,109,587.80 = 290,499.20/x
  3. Step 3: Cross multiply
    740,049.20x = 1,109,587.80 × 290,499.20
  4. Step 4: Simplify right side
    740,049.20x = 322,334,368,229.76
  5. Step 5: Solve for x
    x = 322,334,368,229.76/740,049.20
  6. Step 6: Final answer
    x = 435,558.03

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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.