Home / 676,558.41-1,014,104.07-338,784.78

Finding the Fourth Proportional to 676,558.41, 1,014,104.07 and 338,784.78

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Solution

The fourth proportional to 676,558.41, 1,014,104.07 and 338,784.78 is: 507,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,558.41 : 1,014,104.07 = 338,784.78 : x
  2. Step 2: Convert to fraction form
    676,558.41/1,014,104.07 = 338,784.78/x
  3. Step 3: Cross multiply
    676,558.41x = 1,014,104.07 × 338,784.78
  4. Step 4: Simplify right side
    676,558.41x = 343,563,024,252.06
  5. Step 5: Solve for x
    x = 343,563,024,252.06/676,558.41
  6. Step 6: Final answer
    x = 507,809.85

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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.