Finding the Fourth Proportional to 852,463.71, 1,176,397.49 and 470,487.75
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Solution
The fourth proportional to 852,463.71, 1,176,397.49 and 470,487.75 is: 649,271.75
Step by Step Solution
- Step 1: Write the proportion equation
852,463.71 : 1,176,397.49 = 470,487.75 : x - Step 2: Convert to fraction form
852,463.71/1,176,397.49 = 470,487.75/x - Step 3: Cross multiply
852,463.71x = 1,176,397.49 × 470,487.75 - Step 4: Simplify right side
852,463.71x = 553,480,605,823.31 - Step 5: Solve for x
x = 553,480,605,823.31/852,463.71 - Step 6: Final answer
x = 649,271.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.