Finding the Fourth Proportional to 651,454.75, 898,985.82 and 361,053.94
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Solution
The fourth proportional to 651,454.75, 898,985.82 and 361,053.94 is: 498,242.39
Step by Step Solution
- Step 1: Write the proportion equation
651,454.75 : 898,985.82 = 361,053.94 : x - Step 2: Convert to fraction form
651,454.75/898,985.82 = 361,053.94/x - Step 3: Cross multiply
651,454.75x = 898,985.82 × 361,053.94 - Step 4: Simplify right side
651,454.75x = 324,582,372,315.13 - Step 5: Solve for x
x = 324,582,372,315.13/651,454.75 - Step 6: Final answer
x = 498,242.39
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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.