Home / 822,700.87-1,135,319.30-460,120.39

Finding the Fourth Proportional to 822,700.87, 1,135,319.30 and 460,120.39

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Solution

The fourth proportional to 822,700.87, 1,135,319.30 and 460,120.39 is: 634,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,700.87 : 1,135,319.30 = 460,120.39 : x
  2. Step 2: Convert to fraction form
    822,700.87/1,135,319.30 = 460,120.39/x
  3. Step 3: Cross multiply
    822,700.87x = 1,135,319.30 × 460,120.39
  4. Step 4: Simplify right side
    822,700.87x = 522,383,556,789.93
  5. Step 5: Solve for x
    x = 522,383,556,789.93/822,700.87
  6. Step 6: Final answer
    x = 634,961.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.