Finding the Fourth Proportional to 852,187.69, 1,176,043.53 and 470,239.12
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Solution
The fourth proportional to 852,187.69, 1,176,043.53 and 470,239.12 is: 648,943.51
Step by Step Solution
- Step 1: Write the proportion equation
852,187.69 : 1,176,043.53 = 470,239.12 : x - Step 2: Convert to fraction form
852,187.69/1,176,043.53 = 470,239.12/x - Step 3: Cross multiply
852,187.69x = 1,176,043.53 × 470,239.12 - Step 4: Simplify right side
852,187.69x = 553,021,674,628.89 - Step 5: Solve for x
x = 553,021,674,628.89/852,187.69 - Step 6: Final answer
x = 648,943.51
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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.