Home / 877,164.70-1,314,687.39-427,211.14

Finding the Fourth Proportional to 877,164.70, 1,314,687.39 and 427,211.14

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Solution

The fourth proportional to 877,164.70, 1,314,687.39 and 427,211.14 is: 640,300.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,164.70 : 1,314,687.39 = 427,211.14 : x
  2. Step 2: Convert to fraction form
    877,164.70/1,314,687.39 = 427,211.14/x
  3. Step 3: Cross multiply
    877,164.70x = 1,314,687.39 × 427,211.14
  4. Step 4: Simplify right side
    877,164.70x = 561,649,098,625.53
  5. Step 5: Solve for x
    x = 561,649,098,625.53/877,164.70
  6. Step 6: Final answer
    x = 640,300.62

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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.