Finding the Fourth Proportional to 679,072.08, 1,018,608.30 and 252,552.17
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Solution
The fourth proportional to 679,072.08, 1,018,608.30 and 252,552.17 is: 378,828.32
Step by Step Solution
- Step 1: Write the proportion equation
679,072.08 : 1,018,608.30 = 252,552.17 : x - Step 2: Convert to fraction form
679,072.08/1,018,608.30 = 252,552.17/x - Step 3: Cross multiply
679,072.08x = 1,018,608.30 × 252,552.17 - Step 4: Simplify right side
679,072.08x = 257,251,736,545.01 - Step 5: Solve for x
x = 257,251,736,545.01/679,072.08 - Step 6: Final answer
x = 378,828.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.