Home / 855,848.20-1,284,693.90-482,600.20

Finding the Fourth Proportional to 855,848.20, 1,284,693.90 and 482,600.20

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Solution

The fourth proportional to 855,848.20, 1,284,693.90 and 482,600.20 is: 724,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,848.20 : 1,284,693.90 = 482,600.20 : x
  2. Step 2: Convert to fraction form
    855,848.20/1,284,693.90 = 482,600.20/x
  3. Step 3: Cross multiply
    855,848.20x = 1,284,693.90 × 482,600.20
  4. Step 4: Simplify right side
    855,848.20x = 619,993,533,078.78
  5. Step 5: Solve for x
    x = 619,993,533,078.78/855,848.20
  6. Step 6: Final answer
    x = 724,419.98

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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.