Home / 684,846.60-1,027,346.70-211,528.20

Finding the Fourth Proportional to 684,846.60, 1,027,346.70 and 211,528.20

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Solution

The fourth proportional to 684,846.60, 1,027,346.70 and 211,528.20 is: 317,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,846.60 : 1,027,346.70 = 211,528.20 : x
  2. Step 2: Convert to fraction form
    684,846.60/1,027,346.70 = 211,528.20/x
  3. Step 3: Cross multiply
    684,846.60x = 1,027,346.70 × 211,528.20
  4. Step 4: Simplify right side
    684,846.60x = 217,312,798,226.94
  5. Step 5: Solve for x
    x = 217,312,798,226.94/684,846.60
  6. Step 6: Final answer
    x = 317,316.02

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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.