Finding the Fourth Proportional to 659,866.08, 910,611.99 and 358,060.08
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Solution
The fourth proportional to 659,866.08, 910,611.99 and 358,060.08 is: 494,121.17
Step by Step Solution
- Step 1: Write the proportion equation
659,866.08 : 910,611.99 = 358,060.08 : x - Step 2: Convert to fraction form
659,866.08/910,611.99 = 358,060.08/x - Step 3: Cross multiply
659,866.08x = 910,611.99 × 358,060.08 - Step 4: Simplify right side
659,866.08x = 326,053,801,988.36 - Step 5: Solve for x
x = 326,053,801,988.36/659,866.08 - Step 6: Final answer
x = 494,121.17
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1.5x scale
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.