Finding the Fourth Proportional to 685,148.22, 1,028,076.71 and 497,158.49
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Solution
The fourth proportional to 685,148.22, 1,028,076.71 and 497,158.49 is: 745,994.88
Step by Step Solution
- Step 1: Write the proportion equation
685,148.22 : 1,028,076.71 = 497,158.49 : x - Step 2: Convert to fraction form
685,148.22/1,028,076.71 = 497,158.49/x - Step 3: Cross multiply
685,148.22x = 1,028,076.71 × 497,158.49 - Step 4: Simplify right side
685,148.22x = 511,117,064,832.17 - Step 5: Solve for x
x = 511,117,064,832.17/685,148.22 - Step 6: Final answer
x = 745,994.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.