Home / 863,705.64-1,295,511.74-264,668.52

Finding the Fourth Proportional to 863,705.64, 1,295,511.74 and 264,668.52

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Solution

The fourth proportional to 863,705.64, 1,295,511.74 and 264,668.52 is: 396,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,705.64 : 1,295,511.74 = 264,668.52 : x
  2. Step 2: Convert to fraction form
    863,705.64/1,295,511.74 = 264,668.52/x
  3. Step 3: Cross multiply
    863,705.64x = 1,295,511.74 × 264,668.52
  4. Step 4: Simplify right side
    863,705.64x = 342,881,174,868.43
  5. Step 5: Solve for x
    x = 342,881,174,868.43/863,705.64
  6. Step 6: Final answer
    x = 396,988.46

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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.