Finding the Fourth Proportional to 746,373.39, 1,029,956.42 and 424,038.75
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Solution
The fourth proportional to 746,373.39, 1,029,956.42 and 424,038.75 is: 585,151.40
Step by Step Solution
- Step 1: Write the proportion equation
746,373.39 : 1,029,956.42 = 424,038.75 : x - Step 2: Convert to fraction form
746,373.39/1,029,956.42 = 424,038.75/x - Step 3: Cross multiply
746,373.39x = 1,029,956.42 × 424,038.75 - Step 4: Simplify right side
746,373.39x = 436,741,430,771.08 - Step 5: Solve for x
x = 436,741,430,771.08/746,373.39 - Step 6: Final answer
x = 585,151.40
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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.