Home / 778,856.10-1,168,806.60-273,416.10

Finding the Fourth Proportional to 778,856.10, 1,168,806.60 and 273,416.10

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Solution

The fourth proportional to 778,856.10, 1,168,806.60 and 273,416.10 is: 410,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,856.10 : 1,168,806.60 = 273,416.10 : x
  2. Step 2: Convert to fraction form
    778,856.10/1,168,806.60 = 273,416.10/x
  3. Step 3: Cross multiply
    778,856.10x = 1,168,806.60 × 273,416.10
  4. Step 4: Simplify right side
    778,856.10x = 319,570,542,226.26
  5. Step 5: Solve for x
    x = 319,570,542,226.26/778,856.10
  6. Step 6: Final answer
    x = 410,307.56

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1.5x scale

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.