Home / 497,721.60-746,582.40-419,961.60

Finding the Fourth Proportional to 497,721.60, 746,582.40 and 419,961.60

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Solution

The fourth proportional to 497,721.60, 746,582.40 and 419,961.60 is: 629,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,721.60 : 746,582.40 = 419,961.60 : x
  2. Step 2: Convert to fraction form
    497,721.60/746,582.40 = 419,961.60/x
  3. Step 3: Cross multiply
    497,721.60x = 746,582.40 × 419,961.60
  4. Step 4: Simplify right side
    497,721.60x = 313,535,939,235.84
  5. Step 5: Solve for x
    x = 313,535,939,235.84/497,721.60
  6. Step 6: Final answer
    x = 629,942.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.