Finding the Fourth Proportional to 918,350.87, 1,267,668.03 and 689,569.07
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Solution
The fourth proportional to 918,350.87, 1,267,668.03 and 689,569.07 is: 951,863.49
Step by Step Solution
- Step 1: Write the proportion equation
918,350.87 : 1,267,668.03 = 689,569.07 : x - Step 2: Convert to fraction form
918,350.87/1,267,668.03 = 689,569.07/x - Step 3: Cross multiply
918,350.87x = 1,267,668.03 × 689,569.07 - Step 4: Simplify right side
918,350.87x = 874,144,664,515.83 - Step 5: Solve for x
x = 874,144,664,515.83/918,350.87 - Step 6: Final answer
x = 951,863.49
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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.