Home / 778,096.14-1,074,040.56-455,910.54

Finding the Fourth Proportional to 778,096.14, 1,074,040.56 and 455,910.54

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Solution

The fourth proportional to 778,096.14, 1,074,040.56 and 455,910.54 is: 629,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,096.14 : 1,074,040.56 = 455,910.54 : x
  2. Step 2: Convert to fraction form
    778,096.14/1,074,040.56 = 455,910.54/x
  3. Step 3: Cross multiply
    778,096.14x = 1,074,040.56 × 455,910.54
  4. Step 4: Simplify right side
    778,096.14x = 489,666,411,691.50
  5. Step 5: Solve for x
    x = 489,666,411,691.50/778,096.14
  6. Step 6: Final answer
    x = 629,313.51

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1.5x scale

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.