Home / 863,995.78-1,296,572.26-358,557.22

Finding the Fourth Proportional to 863,995.78, 1,296,572.26 and 358,557.22

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Solution

The fourth proportional to 863,995.78, 1,296,572.26 and 358,557.22 is: 538,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,995.78 : 1,296,572.26 = 358,557.22 : x
  2. Step 2: Convert to fraction form
    863,995.78/1,296,572.26 = 358,557.22/x
  3. Step 3: Cross multiply
    863,995.78x = 1,296,572.26 × 358,557.22
  4. Step 4: Simplify right side
    863,995.78x = 464,895,345,074.72
  5. Step 5: Solve for x
    x = 464,895,345,074.72/863,995.78
  6. Step 6: Final answer
    x = 538,075.94

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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.