Home / 849,011.43-1,273,246.74-280,286.67

Finding the Fourth Proportional to 849,011.43, 1,273,246.74 and 280,286.67

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Solution

The fourth proportional to 849,011.43, 1,273,246.74 and 280,286.67 is: 420,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,011.43 : 1,273,246.74 = 280,286.67 : x
  2. Step 2: Convert to fraction form
    849,011.43/1,273,246.74 = 280,286.67/x
  3. Step 3: Cross multiply
    849,011.43x = 1,273,246.74 × 280,286.67
  4. Step 4: Simplify right side
    849,011.43x = 356,874,088,842.96
  5. Step 5: Solve for x
    x = 356,874,088,842.96/849,011.43
  6. Step 6: Final answer
    x = 420,340.74

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Double scale
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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.