Finding the Fourth Proportional to 692,964.97, 1,039,484.71 and 219,687.23
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Solution
The fourth proportional to 692,964.97, 1,039,484.71 and 219,687.23 is: 329,542.66
Step by Step Solution
- Step 1: Write the proportion equation
692,964.97 : 1,039,484.71 = 219,687.23 : x - Step 2: Convert to fraction form
692,964.97/1,039,484.71 = 219,687.23/x - Step 3: Cross multiply
692,964.97x = 1,039,484.71 × 219,687.23 - Step 4: Simplify right side
692,964.97x = 228,361,519,440.57 - Step 5: Solve for x
x = 228,361,519,440.57/692,964.97 - Step 6: Final answer
x = 329,542.66
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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.