Home / 676,330.72-1,014,045.86-405,849.84

Finding the Fourth Proportional to 676,330.72, 1,014,045.86 and 405,849.84

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Solution

The fourth proportional to 676,330.72, 1,014,045.86 and 405,849.84 is: 608,504.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,330.72 : 1,014,045.86 = 405,849.84 : x
  2. Step 2: Convert to fraction form
    676,330.72/1,014,045.86 = 405,849.84/x
  3. Step 3: Cross multiply
    676,330.72x = 1,014,045.86 × 405,849.84
  4. Step 4: Simplify right side
    676,330.72x = 411,550,350,033.66
  5. Step 5: Solve for x
    x = 411,550,350,033.66/676,330.72
  6. Step 6: Final answer
    x = 608,504.59

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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.