Home / 423,919.58-584,607.30-278,469.50

Finding the Fourth Proportional to 423,919.58, 584,607.30 and 278,469.50

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Solution

The fourth proportional to 423,919.58, 584,607.30 and 278,469.50 is: 384,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,919.58 : 584,607.30 = 278,469.50 : x
  2. Step 2: Convert to fraction form
    423,919.58/584,607.30 = 278,469.50/x
  3. Step 3: Cross multiply
    423,919.58x = 584,607.30 × 278,469.50
  4. Step 4: Simplify right side
    423,919.58x = 162,795,302,527.35
  5. Step 5: Solve for x
    x = 162,795,302,527.35/423,919.58
  6. Step 6: Final answer
    x = 384,024.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.