Home / 931,126.23-1,284,912.81-543,977.55

Finding the Fourth Proportional to 931,126.23, 1,284,912.81 and 543,977.55

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Solution

The fourth proportional to 931,126.23, 1,284,912.81 and 543,977.55 is: 750,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,126.23 : 1,284,912.81 = 543,977.55 : x
  2. Step 2: Convert to fraction form
    931,126.23/1,284,912.81 = 543,977.55/x
  3. Step 3: Cross multiply
    931,126.23x = 1,284,912.81 × 543,977.55
  4. Step 4: Simplify right side
    931,126.23x = 698,963,722,347.42
  5. Step 5: Solve for x
    x = 698,963,722,347.42/931,126.23
  6. Step 6: Final answer
    x = 750,664.84

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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.