Finding the Fourth Proportional to 692,112.13, 955,117.08 and 386,182.96
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Solution
The fourth proportional to 692,112.13, 955,117.08 and 386,182.96 is: 532,933.79
Step by Step Solution
- Step 1: Write the proportion equation
692,112.13 : 955,117.08 = 386,182.96 : x - Step 2: Convert to fraction form
692,112.13/955,117.08 = 386,182.96/x - Step 3: Cross multiply
692,112.13x = 955,117.08 × 386,182.96 - Step 4: Simplify right side
692,112.13x = 368,849,938,713.16 - Step 5: Solve for x
x = 368,849,938,713.16/692,112.13 - Step 6: Final answer
x = 532,933.79
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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.