Home / 557,582.54-769,469.33-315,859.95

Finding the Fourth Proportional to 557,582.54, 769,469.33 and 315,859.95

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Solution

The fourth proportional to 557,582.54, 769,469.33 and 315,859.95 is: 435,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,582.54 : 769,469.33 = 315,859.95 : x
  2. Step 2: Convert to fraction form
    557,582.54/769,469.33 = 315,859.95/x
  3. Step 3: Cross multiply
    557,582.54x = 769,469.33 × 315,859.95
  4. Step 4: Simplify right side
    557,582.54x = 243,044,544,100.33
  5. Step 5: Solve for x
    x = 243,044,544,100.33/557,582.54
  6. Step 6: Final answer
    x = 435,889.80

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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.