Home / 423,917.58-584,604.54-278,467.50

Finding the Fourth Proportional to 423,917.58, 584,604.54 and 278,467.50

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Solution

The fourth proportional to 423,917.58, 584,604.54 and 278,467.50 is: 384,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,917.58 : 584,604.54 = 278,467.50 : x
  2. Step 2: Convert to fraction form
    423,917.58/584,604.54 = 278,467.50/x
  3. Step 3: Cross multiply
    423,917.58x = 584,604.54 × 278,467.50
  4. Step 4: Simplify right side
    423,917.58x = 162,793,364,742.45
  5. Step 5: Solve for x
    x = 162,793,364,742.45/423,917.58
  6. Step 6: Final answer
    x = 384,021.26

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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.