Finding the Fourth Proportional to 556,878.81, 768,472.20 and 302,224.53
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Solution
The fourth proportional to 556,878.81, 768,472.20 and 302,224.53 is: 417,058.69
Step by Step Solution
- Step 1: Write the proportion equation
556,878.81 : 768,472.20 = 302,224.53 : x - Step 2: Convert to fraction form
556,878.81/768,472.20 = 302,224.53/x - Step 3: Cross multiply
556,878.81x = 768,472.20 × 302,224.53 - Step 4: Simplify right side
556,878.81x = 232,251,149,463.07 - Step 5: Solve for x
x = 232,251,149,463.07/556,878.81 - Step 6: Final answer
x = 417,058.69
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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.