Home / 726,833.43-1,090,492.95-321,970.67

Finding the Fourth Proportional to 726,833.43, 1,090,492.95 and 321,970.67

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Solution

The fourth proportional to 726,833.43, 1,090,492.95 and 321,970.67 is: 483,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,833.43 : 1,090,492.95 = 321,970.67 : x
  2. Step 2: Convert to fraction form
    726,833.43/1,090,492.95 = 321,970.67/x
  3. Step 3: Cross multiply
    726,833.43x = 1,090,492.95 × 321,970.67
  4. Step 4: Simplify right side
    726,833.43x = 351,106,747,747.52
  5. Step 5: Solve for x
    x = 351,106,747,747.52/726,833.43
  6. Step 6: Final answer
    x = 483,063.57

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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.