Home / 863,702.36-1,191,292.20-748,775.48

Finding the Fourth Proportional to 863,702.36, 1,191,292.20 and 748,775.48

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Solution

The fourth proportional to 863,702.36, 1,191,292.20 and 748,775.48 is: 1,032,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,702.36 : 1,191,292.20 = 748,775.48 : x
  2. Step 2: Convert to fraction form
    863,702.36/1,191,292.20 = 748,775.48/x
  3. Step 3: Cross multiply
    863,702.36x = 1,191,292.20 × 748,775.48
  4. Step 4: Simplify right side
    863,702.36x = 892,010,388,875.26
  5. Step 5: Solve for x
    x = 892,010,388,875.26/863,702.36
  6. Step 6: Final answer
    x = 1,032,775.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.