Finding the Fourth Proportional to 692,790.40, 956,032.12 and 386,858.26
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Solution
The fourth proportional to 692,790.40, 956,032.12 and 386,858.26 is: 533,853.99
Step by Step Solution
- Step 1: Write the proportion equation
692,790.40 : 956,032.12 = 386,858.26 : x - Step 2: Convert to fraction form
692,790.40/956,032.12 = 386,858.26/x - Step 3: Cross multiply
692,790.40x = 956,032.12 × 386,858.26 - Step 4: Simplify right side
692,790.40x = 369,848,922,447.31 - Step 5: Solve for x
x = 369,848,922,447.31/692,790.40 - Step 6: Final answer
x = 533,853.99
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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.