Finding the Fourth Proportional to 649,784.10, 973,824.98 and 312,152.99
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Solution
The fourth proportional to 649,784.10, 973,824.98 and 312,152.99 is: 467,820.58
Step by Step Solution
- Step 1: Write the proportion equation
649,784.10 : 973,824.98 = 312,152.99 : x - Step 2: Convert to fraction form
649,784.10/973,824.98 = 312,152.99/x - Step 3: Cross multiply
649,784.10x = 973,824.98 × 312,152.99 - Step 4: Simplify right side
649,784.10x = 303,982,377,682.93 - Step 5: Solve for x
x = 303,982,377,682.93/649,784.10 - Step 6: Final answer
x = 467,820.58
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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.