Home / 828,142.94-1,142,882.25-460,658.90

Finding the Fourth Proportional to 828,142.94, 1,142,882.25 and 460,658.90

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Solution

The fourth proportional to 828,142.94, 1,142,882.25 and 460,658.90 is: 635,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,142.94 : 1,142,882.25 = 460,658.90 : x
  2. Step 2: Convert to fraction form
    828,142.94/1,142,882.25 = 460,658.90/x
  3. Step 3: Cross multiply
    828,142.94x = 1,142,882.25 × 460,658.90
  4. Step 4: Simplify right side
    828,142.94x = 526,478,880,114.53
  5. Step 5: Solve for x
    x = 526,478,880,114.53/828,142.94
  6. Step 6: Final answer
    x = 635,734.31

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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.