Finding the Fourth Proportional to 649,473.80, 974,210.70 and 369,537.80
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Solution
The fourth proportional to 649,473.80, 974,210.70 and 369,537.80 is: 554,306.70
Step by Step Solution
- Step 1: Write the proportion equation
649,473.80 : 974,210.70 = 369,537.80 : x - Step 2: Convert to fraction form
649,473.80/974,210.70 = 369,537.80/x - Step 3: Cross multiply
649,473.80x = 974,210.70 × 369,537.80 - Step 4: Simplify right side
649,473.80x = 360,007,678,814.46 - Step 5: Solve for x
x = 360,007,678,814.46/649,473.80 - Step 6: Final answer
x = 554,306.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.