Home / 692,696.80-1,039,038.01-219,382.11

Finding the Fourth Proportional to 692,696.80, 1,039,038.01 and 219,382.11

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Solution

The fourth proportional to 692,696.80, 1,039,038.01 and 219,382.11 is: 329,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,696.80 : 1,039,038.01 = 219,382.11 : x
  2. Step 2: Convert to fraction form
    692,696.80/1,039,038.01 = 219,382.11/x
  3. Step 3: Cross multiply
    692,696.80x = 1,039,038.01 × 219,382.11
  4. Step 4: Simplify right side
    692,696.80x = 227,946,351,004.00
  5. Step 5: Solve for x
    x = 227,946,351,004.00/692,696.80
  6. Step 6: Final answer
    x = 329,070.89

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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.