Home / 740,120.44-1,110,250.32-207,639.40

Finding the Fourth Proportional to 740,120.44, 1,110,250.32 and 207,639.40

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Solution

The fourth proportional to 740,120.44, 1,110,250.32 and 207,639.40 is: 311,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,120.44 : 1,110,250.32 = 207,639.40 : x
  2. Step 2: Convert to fraction form
    740,120.44/1,110,250.32 = 207,639.40/x
  3. Step 3: Cross multiply
    740,120.44x = 1,110,250.32 × 207,639.40
  4. Step 4: Simplify right side
    740,120.44x = 230,531,710,294.61
  5. Step 5: Solve for x
    x = 230,531,710,294.61/740,120.44
  6. Step 6: Final answer
    x = 311,478.64

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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.