Finding the Fourth Proportional to 832,313.75, 1,148,625.50 and 469,750.14
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Solution
The fourth proportional to 832,313.75, 1,148,625.50 and 469,750.14 is: 648,273.55
Step by Step Solution
- Step 1: Write the proportion equation
832,313.75 : 1,148,625.50 = 469,750.14 : x - Step 2: Convert to fraction form
832,313.75/1,148,625.50 = 469,750.14/x - Step 3: Cross multiply
832,313.75x = 1,148,625.50 × 469,750.14 - Step 4: Simplify right side
832,313.75x = 539,566,987,083.82 - Step 5: Solve for x
x = 539,566,987,083.82/832,313.75 - Step 6: Final answer
x = 648,273.55
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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.