Home / 863,541.37-1,294,672.36-413,834.03

Finding the Fourth Proportional to 863,541.37, 1,294,672.36 and 413,834.03

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Solution

The fourth proportional to 863,541.37, 1,294,672.36 and 413,834.03 is: 620,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,541.37 : 1,294,672.36 = 413,834.03 : x
  2. Step 2: Convert to fraction form
    863,541.37/1,294,672.36 = 413,834.03/x
  3. Step 3: Cross multiply
    863,541.37x = 1,294,672.36 × 413,834.03
  4. Step 4: Simplify right side
    863,541.37x = 535,779,478,391.42
  5. Step 5: Solve for x
    x = 535,779,478,391.42/863,541.37
  6. Step 6: Final answer
    x = 620,444.48

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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.