Home / 863,931.56-1,296,146.07-264,980.57

Finding the Fourth Proportional to 863,931.56, 1,296,146.07 and 264,980.57

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Solution

The fourth proportional to 863,931.56, 1,296,146.07 and 264,980.57 is: 397,547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,931.56 : 1,296,146.07 = 264,980.57 : x
  2. Step 2: Convert to fraction form
    863,931.56/1,296,146.07 = 264,980.57/x
  3. Step 3: Cross multiply
    863,931.56x = 1,296,146.07 × 264,980.57
  4. Step 4: Simplify right side
    863,931.56x = 343,453,517,951.13
  5. Step 5: Solve for x
    x = 343,453,517,951.13/863,931.56
  6. Step 6: Final answer
    x = 397,547.14

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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.