Finding the Fourth Proportional to 713,103.09, 983,772.98 and 471,722.53
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Solution
The fourth proportional to 713,103.09, 983,772.98 and 471,722.53 is: 650,772.50
Step by Step Solution
- Step 1: Write the proportion equation
713,103.09 : 983,772.98 = 471,722.53 : x - Step 2: Convert to fraction form
713,103.09/983,772.98 = 471,722.53/x - Step 3: Cross multiply
713,103.09x = 983,772.98 × 471,722.53 - Step 4: Simplify right side
713,103.09x = 464,067,874,152.38 - Step 5: Solve for x
x = 464,067,874,152.38/713,103.09 - Step 6: Final answer
x = 650,772.50
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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.