Home / 876,702.08-1,315,128.08-308,033.75

Finding the Fourth Proportional to 876,702.08, 1,315,128.08 and 308,033.75

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Solution

The fourth proportional to 876,702.08, 1,315,128.08 and 308,033.75 is: 462,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,702.08 : 1,315,128.08 = 308,033.75 : x
  2. Step 2: Convert to fraction form
    876,702.08/1,315,128.08 = 308,033.75/x
  3. Step 3: Cross multiply
    876,702.08x = 1,315,128.08 × 308,033.75
  4. Step 4: Simplify right side
    876,702.08x = 405,103,834,212.70
  5. Step 5: Solve for x
    x = 405,103,834,212.70/876,702.08
  6. Step 6: Final answer
    x = 462,076.96

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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.