Finding the Fourth Proportional to 943,938.29, 1,302,623.08 and 514,209.19
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Solution
The fourth proportional to 943,938.29, 1,302,623.08 and 514,209.19 is: 709,602.28
Step by Step Solution
- Step 1: Write the proportion equation
943,938.29 : 1,302,623.08 = 514,209.19 : x - Step 2: Convert to fraction form
943,938.29/1,302,623.08 = 514,209.19/x - Step 3: Cross multiply
943,938.29x = 1,302,623.08 × 514,209.19 - Step 4: Simplify right side
943,938.29x = 669,820,758,842.11 - Step 5: Solve for x
x = 669,820,758,842.11/943,938.29 - Step 6: Final answer
x = 709,602.28
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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.