Home / 574,982.26-858,430.57-439,336.42

Finding the Fourth Proportional to 574,982.26, 858,430.57 and 439,336.42

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Solution

The fourth proportional to 574,982.26, 858,430.57 and 439,336.42 is: 655,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,982.26 : 858,430.57 = 439,336.42 : x
  2. Step 2: Convert to fraction form
    574,982.26/858,430.57 = 439,336.42/x
  3. Step 3: Cross multiply
    574,982.26x = 858,430.57 × 439,336.42
  4. Step 4: Simplify right side
    574,982.26x = 377,139,813,442.36
  5. Step 5: Solve for x
    x = 377,139,813,442.36/574,982.26
  6. Step 6: Final answer
    x = 655,915.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.