Finding the Fourth Proportional to 717,744.17, 1,076,616.25 and 212,265.79
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Solution
The fourth proportional to 717,744.17, 1,076,616.25 and 212,265.79 is: 318,398.68
Step by Step Solution
- Step 1: Write the proportion equation
717,744.17 : 1,076,616.25 = 212,265.79 : x - Step 2: Convert to fraction form
717,744.17/1,076,616.25 = 212,265.79/x - Step 3: Cross multiply
717,744.17x = 1,076,616.25 × 212,265.79 - Step 4: Simplify right side
717,744.17x = 228,528,795,610.88 - Step 5: Solve for x
x = 228,528,795,610.88/717,744.17 - Step 6: Final answer
x = 318,398.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.