Finding the Fourth Proportional to 736,299.18, 1,104,175.31 and 256,403.75
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Solution
The fourth proportional to 736,299.18, 1,104,175.31 and 256,403.75 is: 384,510.39
Step by Step Solution
- Step 1: Write the proportion equation
736,299.18 : 1,104,175.31 = 256,403.75 : x - Step 2: Convert to fraction form
736,299.18/1,104,175.31 = 256,403.75/x - Step 3: Cross multiply
736,299.18x = 1,104,175.31 × 256,403.75 - Step 4: Simplify right side
736,299.18x = 283,114,683,338.52 - Step 5: Solve for x
x = 283,114,683,338.52/736,299.18 - Step 6: Final answer
x = 384,510.39
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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.