Home / 836,255.64-1,153,896-492,381.36

Finding the Fourth Proportional to 836,255.64, 1,153,896 and 492,381.36

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Solution

The fourth proportional to 836,255.64, 1,153,896 and 492,381.36 is: 679,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,255.64 : 1,153,896 = 492,381.36 : x
  2. Step 2: Convert to fraction form
    836,255.64/1,153,896 = 492,381.36/x
  3. Step 3: Cross multiply
    836,255.64x = 1,153,896 × 492,381.36
  4. Step 4: Simplify right side
    836,255.64x = 568,156,881,778.56
  5. Step 5: Solve for x
    x = 568,156,881,778.56/836,255.64
  6. Step 6: Final answer
    x = 679,405.74

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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.