Home / 886,852.90-1,330,279.35-872,856.10

Finding the Fourth Proportional to 886,852.90, 1,330,279.35 and 872,856.10

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Solution

The fourth proportional to 886,852.90, 1,330,279.35 and 872,856.10 is: 1,309,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,852.90 : 1,330,279.35 = 872,856.10 : x
  2. Step 2: Convert to fraction form
    886,852.90/1,330,279.35 = 872,856.10/x
  3. Step 3: Cross multiply
    886,852.90x = 1,330,279.35 × 872,856.10
  4. Step 4: Simplify right side
    886,852.90x = 1,161,142,445,351.54
  5. Step 5: Solve for x
    x = 1,161,142,445,351.54/886,852.90
  6. Step 6: Final answer
    x = 1,309,284.15

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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.