Home / 828,141.94-1,142,880.87-460,657.90

Finding the Fourth Proportional to 828,141.94, 1,142,880.87 and 460,657.90

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Solution

The fourth proportional to 828,141.94, 1,142,880.87 and 460,657.90 is: 635,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,141.94 : 1,142,880.87 = 460,657.90 : x
  2. Step 2: Convert to fraction form
    828,141.94/1,142,880.87 = 460,657.90/x
  3. Step 3: Cross multiply
    828,141.94x = 1,142,880.87 × 460,657.90
  4. Step 4: Simplify right side
    828,141.94x = 526,477,101,524.37
  5. Step 5: Solve for x
    x = 526,477,101,524.37/828,141.94
  6. Step 6: Final answer
    x = 635,732.93

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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.