Home / 384,829.04-574,425.28-339,378.60

Finding the Fourth Proportional to 384,829.04, 574,425.28 and 339,378.60

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Solution

The fourth proportional to 384,829.04, 574,425.28 and 339,378.60 is: 506,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,829.04 : 574,425.28 = 339,378.60 : x
  2. Step 2: Convert to fraction form
    384,829.04/574,425.28 = 339,378.60/x
  3. Step 3: Cross multiply
    384,829.04x = 574,425.28 × 339,378.60
  4. Step 4: Simplify right side
    384,829.04x = 194,947,647,331.01
  5. Step 5: Solve for x
    x = 194,947,647,331.01/384,829.04
  6. Step 6: Final answer
    x = 506,582.47

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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.