Finding the Fourth Proportional to 852,515.07, 1,176,386.99 and 470,517.23
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Solution
The fourth proportional to 852,515.07, 1,176,386.99 and 470,517.23 is: 649,267.51
Step by Step Solution
- Step 1: Write the proportion equation
852,515.07 : 1,176,386.99 = 470,517.23 : x - Step 2: Convert to fraction form
852,515.07/1,176,386.99 = 470,517.23/x - Step 3: Cross multiply
852,515.07x = 1,176,386.99 × 470,517.23 - Step 4: Simplify right side
852,515.07x = 553,510,339,708.32 - Step 5: Solve for x
x = 553,510,339,708.32/852,515.07 - Step 6: Final answer
x = 649,267.51
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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.