Finding the Fourth Proportional to 875,005.75, 1,207,508.75 and 472,597.75
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Solution
The fourth proportional to 875,005.75, 1,207,508.75 and 472,597.75 is: 652,185.34
Step by Step Solution
- Step 1: Write the proportion equation
875,005.75 : 1,207,508.75 = 472,597.75 : x - Step 2: Convert to fraction form
875,005.75/1,207,508.75 = 472,597.75/x - Step 3: Cross multiply
875,005.75x = 1,207,508.75 × 472,597.75 - Step 4: Simplify right side
875,005.75x = 570,665,918,355.31 - Step 5: Solve for x
x = 570,665,918,355.31/875,005.75 - Step 6: Final answer
x = 652,185.34
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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.