Finding the Fourth Proportional to 852,278.13, 1,176,210.18 and 489,828.42
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Solution
The fourth proportional to 852,278.13, 1,176,210.18 and 489,828.42 is: 676,001.36
Step by Step Solution
- Step 1: Write the proportion equation
852,278.13 : 1,176,210.18 = 489,828.42 : x - Step 2: Convert to fraction form
852,278.13/1,176,210.18 = 489,828.42/x - Step 3: Cross multiply
852,278.13x = 1,176,210.18 × 489,828.42 - Step 4: Simplify right side
852,278.13x = 576,141,174,057.32 - Step 5: Solve for x
x = 576,141,174,057.32/852,278.13 - Step 6: Final answer
x = 676,001.36
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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.