Finding the Fourth Proportional to 659,680.48, 910,261.94 and 369,276.95
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Solution
The fourth proportional to 659,680.48, 910,261.94 and 369,276.95 is: 509,547.82
Step by Step Solution
- Step 1: Write the proportion equation
659,680.48 : 910,261.94 = 369,276.95 : x - Step 2: Convert to fraction form
659,680.48/910,261.94 = 369,276.95/x - Step 3: Cross multiply
659,680.48x = 910,261.94 × 369,276.95 - Step 4: Simplify right side
659,680.48x = 336,138,752,331.33 - Step 5: Solve for x
x = 336,138,752,331.33/659,680.48 - Step 6: Final answer
x = 509,547.82
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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.