Home / 820,329.30-1,230,493.95-733,970.15

Finding the Fourth Proportional to 820,329.30, 1,230,493.95 and 733,970.15

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Solution

The fourth proportional to 820,329.30, 1,230,493.95 and 733,970.15 is: 1,100,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,329.30 : 1,230,493.95 = 733,970.15 : x
  2. Step 2: Convert to fraction form
    820,329.30/1,230,493.95 = 733,970.15/x
  3. Step 3: Cross multiply
    820,329.30x = 1,230,493.95 × 733,970.15
  4. Step 4: Simplify right side
    820,329.30x = 903,145,822,903.12
  5. Step 5: Solve for x
    x = 903,145,822,903.12/820,329.30
  6. Step 6: Final answer
    x = 1,100,955.22

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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.