Home / 863,283.62-1,291,038.54-767,782.24

Finding the Fourth Proportional to 863,283.62, 1,291,038.54 and 767,782.24

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Solution

The fourth proportional to 863,283.62, 1,291,038.54 and 767,782.24 is: 1,148,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,283.62 : 1,291,038.54 = 767,782.24 : x
  2. Step 2: Convert to fraction form
    863,283.62/1,291,038.54 = 767,782.24/x
  3. Step 3: Cross multiply
    863,283.62x = 1,291,038.54 × 767,782.24
  4. Step 4: Simplify right side
    863,283.62x = 991,236,458,939.93
  5. Step 5: Solve for x
    x = 991,236,458,939.93/863,283.62
  6. Step 6: Final answer
    x = 1,148,216.46

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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.