Finding the Fourth Proportional to 520,756.02, 718,353.68 and 302,940.09
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Solution
The fourth proportional to 520,756.02, 718,353.68 and 302,940.09 is: 417,888.84
Step by Step Solution
- Step 1: Write the proportion equation
520,756.02 : 718,353.68 = 302,940.09 : x - Step 2: Convert to fraction form
520,756.02/718,353.68 = 302,940.09/x - Step 3: Cross multiply
520,756.02x = 718,353.68 × 302,940.09 - Step 4: Simplify right side
520,756.02x = 217,618,126,956.33 - Step 5: Solve for x
x = 217,618,126,956.33/520,756.02 - Step 6: Final answer
x = 417,888.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.