Home / 720,846.06-1,081,585.59-342,040.65

Finding the Fourth Proportional to 720,846.06, 1,081,585.59 and 342,040.65

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Solution

The fourth proportional to 720,846.06, 1,081,585.59 and 342,040.65 is: 513,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,846.06 : 1,081,585.59 = 342,040.65 : x
  2. Step 2: Convert to fraction form
    720,846.06/1,081,585.59 = 342,040.65/x
  3. Step 3: Cross multiply
    720,846.06x = 1,081,585.59 × 342,040.65
  4. Step 4: Simplify right side
    720,846.06x = 369,946,238,234.23
  5. Step 5: Solve for x
    x = 369,946,238,234.23/720,846.06
  6. Step 6: Final answer
    x = 513,211.15

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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.