Finding the Fourth Proportional to 852,430.62, 1,176,337.58 and 465,248.81
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Solution
The fourth proportional to 852,430.62, 1,176,337.58 and 465,248.81 is: 642,034.26
Step by Step Solution
- Step 1: Write the proportion equation
852,430.62 : 1,176,337.58 = 465,248.81 : x - Step 2: Convert to fraction form
852,430.62/1,176,337.58 = 465,248.81/x - Step 3: Cross multiply
852,430.62x = 1,176,337.58 × 465,248.81 - Step 4: Simplify right side
852,430.62x = 547,289,661,176.39 - Step 5: Solve for x
x = 547,289,661,176.39/852,430.62 - Step 6: Final answer
x = 642,034.26
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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.