Home / 680,601.54-1,021,533.16-343,878.84

Finding the Fourth Proportional to 680,601.54, 1,021,533.16 and 343,878.84

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Solution

The fourth proportional to 680,601.54, 1,021,533.16 and 343,878.84 is: 516,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,601.54 : 1,021,533.16 = 343,878.84 : x
  2. Step 2: Convert to fraction form
    680,601.54/1,021,533.16 = 343,878.84/x
  3. Step 3: Cross multiply
    680,601.54x = 1,021,533.16 × 343,878.84
  4. Step 4: Simplify right side
    680,601.54x = 351,283,636,362.94
  5. Step 5: Solve for x
    x = 351,283,636,362.94/680,601.54
  6. Step 6: Final answer
    x = 516,137.00

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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.