Finding the Fourth Proportional to 649,305.70, 973,958.55 and 531,207.70
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Solution
The fourth proportional to 649,305.70, 973,958.55 and 531,207.70 is: 796,811.55
Step by Step Solution
- Step 1: Write the proportion equation
649,305.70 : 973,958.55 = 531,207.70 : x - Step 2: Convert to fraction form
649,305.70/973,958.55 = 531,207.70/x - Step 3: Cross multiply
649,305.70x = 973,958.55 × 531,207.70 - Step 4: Simplify right side
649,305.70x = 517,374,281,240.84 - Step 5: Solve for x
x = 517,374,281,240.84/649,305.70 - Step 6: Final answer
x = 796,811.55
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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.