Home / 684,039.06-1,026,100.88-228,671.26

Finding the Fourth Proportional to 684,039.06, 1,026,100.88 and 228,671.26

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Solution

The fourth proportional to 684,039.06, 1,026,100.88 and 228,671.26 is: 343,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,039.06 : 1,026,100.88 = 228,671.26 : x
  2. Step 2: Convert to fraction form
    684,039.06/1,026,100.88 = 228,671.26/x
  3. Step 3: Cross multiply
    684,039.06x = 1,026,100.88 × 228,671.26
  4. Step 4: Simplify right side
    684,039.06x = 234,639,779,973.35
  5. Step 5: Solve for x
    x = 234,639,779,973.35/684,039.06
  6. Step 6: Final answer
    x = 343,021.03

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Double scale
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Similar ratio
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1.5x scale

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.