Home / 867,243.42-1,300,541.94-298,465.47

Finding the Fourth Proportional to 867,243.42, 1,300,541.94 and 298,465.47

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Solution

The fourth proportional to 867,243.42, 1,300,541.94 and 298,465.47 is: 447,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,243.42 : 1,300,541.94 = 298,465.47 : x
  2. Step 2: Convert to fraction form
    867,243.42/1,300,541.94 = 298,465.47/x
  3. Step 3: Cross multiply
    867,243.42x = 1,300,541.94 × 298,465.47
  4. Step 4: Simplify right side
    867,243.42x = 388,166,861,376.81
  5. Step 5: Solve for x
    x = 388,166,861,376.81/867,243.42
  6. Step 6: Final answer
    x = 447,586.98

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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.