Finding the Fourth Proportional to 943,658.34, 1,302,263.33 and 513,938.12
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Solution
The fourth proportional to 943,658.34, 1,302,263.33 and 513,938.12 is: 709,242.67
Step by Step Solution
- Step 1: Write the proportion equation
943,658.34 : 1,302,263.33 = 513,938.12 : x - Step 2: Convert to fraction form
943,658.34/1,302,263.33 = 513,938.12/x - Step 3: Cross multiply
943,658.34x = 1,302,263.33 × 513,938.12 - Step 4: Simplify right side
943,658.34x = 669,282,758,484.13 - Step 5: Solve for x
x = 669,282,758,484.13/943,658.34 - Step 6: Final answer
x = 709,242.67
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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.