Home / 855,299.42-1,283,234.16-286,736.74

Finding the Fourth Proportional to 855,299.42, 1,283,234.16 and 286,736.74

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Solution

The fourth proportional to 855,299.42, 1,283,234.16 and 286,736.74 is: 430,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,299.42 : 1,283,234.16 = 286,736.74 : x
  2. Step 2: Convert to fraction form
    855,299.42/1,283,234.16 = 286,736.74/x
  3. Step 3: Cross multiply
    855,299.42x = 1,283,234.16 × 286,736.74
  4. Step 4: Simplify right side
    855,299.42x = 367,950,379,695.04
  5. Step 5: Solve for x
    x = 367,950,379,695.04/855,299.42
  6. Step 6: Final answer
    x = 430,200.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.