Home / 822,853.94-1,135,081.32-478,651.10

Finding the Fourth Proportional to 822,853.94, 1,135,081.32 and 478,651.10

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Solution

The fourth proportional to 822,853.94, 1,135,081.32 and 478,651.10 is: 660,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,853.94 : 1,135,081.32 = 478,651.10 : x
  2. Step 2: Convert to fraction form
    822,853.94/1,135,081.32 = 478,651.10/x
  3. Step 3: Cross multiply
    822,853.94x = 1,135,081.32 × 478,651.10
  4. Step 4: Simplify right side
    822,853.94x = 543,307,922,407.45
  5. Step 5: Solve for x
    x = 543,307,922,407.45/822,853.94
  6. Step 6: Final answer
    x = 660,272.61

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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.