Home / 863,266.40-1,295,047.60-264,212.72

Finding the Fourth Proportional to 863,266.40, 1,295,047.60 and 264,212.72

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Solution

The fourth proportional to 863,266.40, 1,295,047.60 and 264,212.72 is: 396,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,266.40 : 1,295,047.60 = 264,212.72 : x
  2. Step 2: Convert to fraction form
    863,266.40/1,295,047.60 = 264,212.72/x
  3. Step 3: Cross multiply
    863,266.40x = 1,295,047.60 × 264,212.72
  4. Step 4: Simplify right side
    863,266.40x = 342,168,048,925.47
  5. Step 5: Solve for x
    x = 342,168,048,925.47/863,266.40
  6. Step 6: Final answer
    x = 396,364.38

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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.