Finding the Fourth Proportional to 756,651.84, 1,044,186.50 and 417,132.24
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Solution
The fourth proportional to 756,651.84, 1,044,186.50 and 417,132.24 is: 575,646.33
Step by Step Solution
- Step 1: Write the proportion equation
756,651.84 : 1,044,186.50 = 417,132.24 : x - Step 2: Convert to fraction form
756,651.84/1,044,186.50 = 417,132.24/x - Step 3: Cross multiply
756,651.84x = 1,044,186.50 × 417,132.24 - Step 4: Simplify right side
756,651.84x = 435,563,853,722.76 - Step 5: Solve for x
x = 435,563,853,722.76/756,651.84 - Step 6: Final answer
x = 575,646.33
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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.