Home / 876,124.20-1,313,879.10-455,260.20

Finding the Fourth Proportional to 876,124.20, 1,313,879.10 and 455,260.20

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Solution

The fourth proportional to 876,124.20, 1,313,879.10 and 455,260.20 is: 682,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,124.20 : 1,313,879.10 = 455,260.20 : x
  2. Step 2: Convert to fraction form
    876,124.20/1,313,879.10 = 455,260.20/x
  3. Step 3: Cross multiply
    876,124.20x = 1,313,879.10 × 455,260.20
  4. Step 4: Simplify right side
    876,124.20x = 598,156,861,841.82
  5. Step 5: Solve for x
    x = 598,156,861,841.82/876,124.20
  6. Step 6: Final answer
    x = 682,730.67

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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.