Finding the Fourth Proportional to 736,878.08, 1,105,316.96 and 204,399.07
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Solution
The fourth proportional to 736,878.08, 1,105,316.96 and 204,399.07 is: 306,598.55
Step by Step Solution
- Step 1: Write the proportion equation
736,878.08 : 1,105,316.96 = 204,399.07 : x - Step 2: Convert to fraction form
736,878.08/1,105,316.96 = 204,399.07/x - Step 3: Cross multiply
736,878.08x = 1,105,316.96 × 204,399.07 - Step 4: Simplify right side
736,878.08x = 225,925,754,893.94 - Step 5: Solve for x
x = 225,925,754,893.94/736,878.08 - Step 6: Final answer
x = 306,598.55
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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.