Home / 684,245.40-1,026,951.30-305,748.60

Finding the Fourth Proportional to 684,245.40, 1,026,951.30 and 305,748.60

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Solution

The fourth proportional to 684,245.40, 1,026,951.30 and 305,748.60 is: 458,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,245.40 : 1,026,951.30 = 305,748.60 : x
  2. Step 2: Convert to fraction form
    684,245.40/1,026,951.30 = 305,748.60/x
  3. Step 3: Cross multiply
    684,245.40x = 1,026,951.30 × 305,748.60
  4. Step 4: Simplify right side
    684,245.40x = 313,988,922,243.18
  5. Step 5: Solve for x
    x = 313,988,922,243.18/684,245.40
  6. Step 6: Final answer
    x = 458,883.50

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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.