Finding the Fourth Proportional to 852,689.21, 1,176,703.88 and 470,707.79
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Solution
The fourth proportional to 852,689.21, 1,176,703.88 and 470,707.79 is: 649,572.76
Step by Step Solution
- Step 1: Write the proportion equation
852,689.21 : 1,176,703.88 = 470,707.79 : x - Step 2: Convert to fraction form
852,689.21/1,176,703.88 = 470,707.79/x - Step 3: Cross multiply
852,689.21x = 1,176,703.88 × 470,707.79 - Step 4: Simplify right side
852,689.21x = 553,883,678,132.48 - Step 5: Solve for x
x = 553,883,678,132.48/852,689.21 - Step 6: Final answer
x = 649,572.76
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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.