Home / 870,737.37-1,306,059.93-271,629.87

Finding the Fourth Proportional to 870,737.37, 1,306,059.93 and 271,629.87

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Solution

The fourth proportional to 870,737.37, 1,306,059.93 and 271,629.87 is: 407,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,737.37 : 1,306,059.93 = 271,629.87 : x
  2. Step 2: Convert to fraction form
    870,737.37/1,306,059.93 = 271,629.87/x
  3. Step 3: Cross multiply
    870,737.37x = 1,306,059.93 × 271,629.87
  4. Step 4: Simplify right side
    870,737.37x = 354,764,888,998.11
  5. Step 5: Solve for x
    x = 354,764,888,998.11/870,737.37
  6. Step 6: Final answer
    x = 407,430.42

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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.