Finding the Fourth Proportional to 563,701.68, 777,915.90 and 309,052.26
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Solution
The fourth proportional to 563,701.68, 777,915.90 and 309,052.26 is: 426,496.28
Step by Step Solution
- Step 1: Write the proportion equation
563,701.68 : 777,915.90 = 309,052.26 : x - Step 2: Convert to fraction form
563,701.68/777,915.90 = 309,052.26/x - Step 3: Cross multiply
563,701.68x = 777,915.90 × 309,052.26 - Step 4: Simplify right side
563,701.68x = 240,416,666,984.93 - Step 5: Solve for x
x = 240,416,666,984.93/563,701.68 - Step 6: Final answer
x = 426,496.28
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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.