Home / 858,025.43-1,184,071.87-470,847.37

Finding the Fourth Proportional to 858,025.43, 1,184,071.87 and 470,847.37

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Solution

The fourth proportional to 858,025.43, 1,184,071.87 and 470,847.37 is: 649,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,025.43 : 1,184,071.87 = 470,847.37 : x
  2. Step 2: Convert to fraction form
    858,025.43/1,184,071.87 = 470,847.37/x
  3. Step 3: Cross multiply
    858,025.43x = 1,184,071.87 × 470,847.37
  4. Step 4: Simplify right side
    858,025.43x = 557,517,123,127.28
  5. Step 5: Solve for x
    x = 557,517,123,127.28/858,025.43
  6. Step 6: Final answer
    x = 649,767.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.