Home / 876,856.92-1,315,323.60-277,862.28

Finding the Fourth Proportional to 876,856.92, 1,315,323.60 and 277,862.28

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Solution

The fourth proportional to 876,856.92, 1,315,323.60 and 277,862.28 is: 416,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,856.92 : 1,315,323.60 = 277,862.28 : x
  2. Step 2: Convert to fraction form
    876,856.92/1,315,323.60 = 277,862.28/x
  3. Step 3: Cross multiply
    876,856.92x = 1,315,323.60 × 277,862.28
  4. Step 4: Simplify right side
    876,856.92x = 365,478,814,433.81
  5. Step 5: Solve for x
    x = 365,478,814,433.81/876,856.92
  6. Step 6: Final answer
    x = 416,805.53

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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.