Finding the Fourth Proportional to 929,725.63, 1,395,335.67 and 480,578.07
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Solution
The fourth proportional to 929,725.63, 1,395,335.67 and 480,578.07 is: 721,253.35
Step by Step Solution
- Step 1: Write the proportion equation
929,725.63 : 1,395,335.67 = 480,578.07 : x - Step 2: Convert to fraction form
929,725.63/1,395,335.67 = 480,578.07/x - Step 3: Cross multiply
929,725.63x = 1,395,335.67 × 480,578.07 - Step 4: Simplify right side
929,725.63x = 670,567,723,290.76 - Step 5: Solve for x
x = 670,567,723,290.76/929,725.63 - Step 6: Final answer
x = 721,253.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.