Home / 684,100.35-1,026,150.53-284,608.35

Finding the Fourth Proportional to 684,100.35, 1,026,150.53 and 284,608.35

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Solution

The fourth proportional to 684,100.35, 1,026,150.53 and 284,608.35 is: 426,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,100.35 : 1,026,150.53 = 284,608.35 : x
  2. Step 2: Convert to fraction form
    684,100.35/1,026,150.53 = 284,608.35/x
  3. Step 3: Cross multiply
    684,100.35x = 1,026,150.53 × 284,608.35
  4. Step 4: Simplify right side
    684,100.35x = 292,051,007,771.88
  5. Step 5: Solve for x
    x = 292,051,007,771.88/684,100.35
  6. Step 6: Final answer
    x = 426,912.53

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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.