Finding the Fourth Proportional to 556,773.10, 768,348.99 and 302,124.28
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Solution
The fourth proportional to 556,773.10, 768,348.99 and 302,124.28 is: 416,932.65
Step by Step Solution
- Step 1: Write the proportion equation
556,773.10 : 768,348.99 = 302,124.28 : x - Step 2: Convert to fraction form
556,773.10/768,348.99 = 302,124.28/x - Step 3: Cross multiply
556,773.10x = 768,348.99 × 302,124.28 - Step 4: Simplify right side
556,773.10x = 232,136,885,392.48 - Step 5: Solve for x
x = 232,136,885,392.48/556,773.10 - Step 6: Final answer
x = 416,932.65
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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.