Finding the Fourth Proportional to 877,135.50, 1,210,476.33 and 537,538.14
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Solution
The fourth proportional to 877,135.50, 1,210,476.33 and 537,538.14 is: 741,820.61
Step by Step Solution
- Step 1: Write the proportion equation
877,135.50 : 1,210,476.33 = 537,538.14 : x - Step 2: Convert to fraction form
877,135.50/1,210,476.33 = 537,538.14/x - Step 3: Cross multiply
877,135.50x = 1,210,476.33 × 537,538.14 - Step 4: Simplify right side
877,135.50x = 650,677,194,942.23 - Step 5: Solve for x
x = 650,677,194,942.23/877,135.50 - Step 6: Final answer
x = 741,820.61
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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.