Finding the Fourth Proportional to 679,071.95, 1,018,608.11 and 252,552.05
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Solution
The fourth proportional to 679,071.95, 1,018,608.11 and 252,552.05 is: 378,828.14
Step by Step Solution
- Step 1: Write the proportion equation
679,071.95 : 1,018,608.11 = 252,552.05 : x - Step 2: Convert to fraction form
679,071.95/1,018,608.11 = 252,552.05/x - Step 3: Cross multiply
679,071.95x = 1,018,608.11 × 252,552.05 - Step 4: Simplify right side
679,071.95x = 257,251,566,327.13 - Step 5: Solve for x
x = 257,251,566,327.13/679,071.95 - Step 6: Final answer
x = 378,828.14
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1.5x scale
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.