Finding the Fourth Proportional to 746,813.72, 1,030,448.35 and 436,656.62
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Solution
The fourth proportional to 746,813.72, 1,030,448.35 and 436,656.62 is: 602,495.75
Step by Step Solution
- Step 1: Write the proportion equation
746,813.72 : 1,030,448.35 = 436,656.62 : x - Step 2: Convert to fraction form
746,813.72/1,030,448.35 = 436,656.62/x - Step 3: Cross multiply
746,813.72x = 1,030,448.35 × 436,656.62 - Step 4: Simplify right side
746,813.72x = 449,952,096,717.52 - Step 5: Solve for x
x = 449,952,096,717.52/746,813.72 - Step 6: Final answer
x = 602,495.75
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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.