Home / 829,974.68-1,245,070.54-297,555.16

Finding the Fourth Proportional to 829,974.68, 1,245,070.54 and 297,555.16

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Solution

The fourth proportional to 829,974.68, 1,245,070.54 and 297,555.16 is: 446,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,974.68 : 1,245,070.54 = 297,555.16 : x
  2. Step 2: Convert to fraction form
    829,974.68/1,245,070.54 = 297,555.16/x
  3. Step 3: Cross multiply
    829,974.68x = 1,245,070.54 × 297,555.16
  4. Step 4: Simplify right side
    829,974.68x = 370,477,163,740.99
  5. Step 5: Solve for x
    x = 370,477,163,740.99/829,974.68
  6. Step 6: Final answer
    x = 446,371.65

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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.