Finding the Fourth Proportional to 943,657.68, 1,302,262.43 and 513,937.47
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Solution
The fourth proportional to 943,657.68, 1,302,262.43 and 513,937.47 is: 709,241.78
Step by Step Solution
- Step 1: Write the proportion equation
943,657.68 : 1,302,262.43 = 513,937.47 : x - Step 2: Convert to fraction form
943,657.68/1,302,262.43 = 513,937.47/x - Step 3: Cross multiply
943,657.68x = 1,302,262.43 × 513,937.47 - Step 4: Simplify right side
943,657.68x = 669,281,452,767.11 - Step 5: Solve for x
x = 669,281,452,767.11/943,657.68 - Step 6: Final answer
x = 709,241.78
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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.