Finding the Fourth Proportional to 903,611.69, 1,246,979.04 and 495,703.08
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Solution
The fourth proportional to 903,611.69, 1,246,979.04 and 495,703.08 is: 684,067.46
Step by Step Solution
- Step 1: Write the proportion equation
903,611.69 : 1,246,979.04 = 495,703.08 : x - Step 2: Convert to fraction form
903,611.69/1,246,979.04 = 495,703.08/x - Step 3: Cross multiply
903,611.69x = 1,246,979.04 × 495,703.08 - Step 4: Simplify right side
903,611.69x = 618,131,350,823.44 - Step 5: Solve for x
x = 618,131,350,823.44/903,611.69 - Step 6: Final answer
x = 684,067.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.