Finding the Fourth Proportional to 756,655.56, 1,044,191.68 and 417,135.96
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Solution
The fourth proportional to 756,655.56, 1,044,191.68 and 417,135.96 is: 575,651.49
Step by Step Solution
- Step 1: Write the proportion equation
756,655.56 : 1,044,191.68 = 417,135.96 : x - Step 2: Convert to fraction form
756,655.56/1,044,191.68 = 417,135.96/x - Step 3: Cross multiply
756,655.56x = 1,044,191.68 × 417,135.96 - Step 4: Simplify right side
756,655.56x = 435,569,898,860.81 - Step 5: Solve for x
x = 435,569,898,860.81/756,655.56 - Step 6: Final answer
x = 575,651.49
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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.