Finding the Fourth Proportional to 556,889.28, 768,502.68 and 302,240.58
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Solution
The fourth proportional to 556,889.28, 768,502.68 and 302,240.58 is: 417,089.54
Step by Step Solution
- Step 1: Write the proportion equation
556,889.28 : 768,502.68 = 302,240.58 : x - Step 2: Convert to fraction form
556,889.28/768,502.68 = 302,240.58/x - Step 3: Cross multiply
556,889.28x = 768,502.68 × 302,240.58 - Step 4: Simplify right side
556,889.28x = 232,272,695,734.75 - Step 5: Solve for x
x = 232,272,695,734.75/556,889.28 - Step 6: Final answer
x = 417,089.54
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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.