Finding the Fourth Proportional to 649,367.70, 974,051.55 and 531,269.70
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Solution
The fourth proportional to 649,367.70, 974,051.55 and 531,269.70 is: 796,904.55
Step by Step Solution
- Step 1: Write the proportion equation
649,367.70 : 974,051.55 = 531,269.70 : x - Step 2: Convert to fraction form
649,367.70/974,051.55 = 531,269.70/x - Step 3: Cross multiply
649,367.70x = 974,051.55 × 531,269.70 - Step 4: Simplify right side
649,367.70x = 517,484,074,753.04 - Step 5: Solve for x
x = 517,484,074,753.04/649,367.70 - Step 6: Final answer
x = 796,904.55
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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.