Finding the Fourth Proportional to 943,580.63, 1,302,132.33 and 513,867.94
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Solution
The fourth proportional to 943,580.63, 1,302,132.33 and 513,867.94 is: 709,132.88
Step by Step Solution
- Step 1: Write the proportion equation
943,580.63 : 1,302,132.33 = 513,867.94 : x - Step 2: Convert to fraction form
943,580.63/1,302,132.33 = 513,867.94/x - Step 3: Cross multiply
943,580.63x = 1,302,132.33 × 513,867.94 - Step 4: Simplify right side
943,580.63x = 669,124,054,769.17 - Step 5: Solve for x
x = 669,124,054,769.17/943,580.63 - Step 6: Final answer
x = 709,132.88
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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.