Home / 892,651.56-1,231,880.58-490,252.20

Finding the Fourth Proportional to 892,651.56, 1,231,880.58 and 490,252.20

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Solution

The fourth proportional to 892,651.56, 1,231,880.58 and 490,252.20 is: 676,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,651.56 : 1,231,880.58 = 490,252.20 : x
  2. Step 2: Convert to fraction form
    892,651.56/1,231,880.58 = 490,252.20/x
  3. Step 3: Cross multiply
    892,651.56x = 1,231,880.58 × 490,252.20
  4. Step 4: Simplify right side
    892,651.56x = 603,932,164,482.28
  5. Step 5: Solve for x
    x = 603,932,164,482.28/892,651.56
  6. Step 6: Final answer
    x = 676,559.80

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Double scale
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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.