Home / 929,202.30-1,393,245.81-321,790.50

Finding the Fourth Proportional to 929,202.30, 1,393,245.81 and 321,790.50

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Solution

The fourth proportional to 929,202.30, 1,393,245.81 and 321,790.50 is: 482,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,202.30 : 1,393,245.81 = 321,790.50 : x
  2. Step 2: Convert to fraction form
    929,202.30/1,393,245.81 = 321,790.50/x
  3. Step 3: Cross multiply
    929,202.30x = 1,393,245.81 × 321,790.50
  4. Step 4: Simplify right side
    929,202.30x = 448,333,265,822.81
  5. Step 5: Solve for x
    x = 448,333,265,822.81/929,202.30
  6. Step 6: Final answer
    x = 482,492.63

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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.