Home / 605,915.58-836,211.69-334,032.06

Finding the Fourth Proportional to 605,915.58, 836,211.69 and 334,032.06

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Solution

The fourth proportional to 605,915.58, 836,211.69 and 334,032.06 is: 460,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,915.58 : 836,211.69 = 334,032.06 : x
  2. Step 2: Convert to fraction form
    605,915.58/836,211.69 = 334,032.06/x
  3. Step 3: Cross multiply
    605,915.58x = 836,211.69 × 334,032.06
  4. Step 4: Simplify right side
    605,915.58x = 279,321,513,406.78
  5. Step 5: Solve for x
    x = 279,321,513,406.78/605,915.58
  6. Step 6: Final answer
    x = 460,990.81

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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.