Home / 885,905.20-1,325,358.60-768,876.40

Finding the Fourth Proportional to 885,905.20, 1,325,358.60 and 768,876.40

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Solution

The fourth proportional to 885,905.20, 1,325,358.60 and 768,876.40 is: 1,150,277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,905.20 : 1,325,358.60 = 768,876.40 : x
  2. Step 2: Convert to fraction form
    885,905.20/1,325,358.60 = 768,876.40/x
  3. Step 3: Cross multiply
    885,905.20x = 1,325,358.60 × 768,876.40
  4. Step 4: Simplify right side
    885,905.20x = 1,019,036,949,077.04
  5. Step 5: Solve for x
    x = 1,019,036,949,077.04/885,905.20
  6. Step 6: Final answer
    x = 1,150,277.65

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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.