Finding the Fourth Proportional to 571,725.63, 788,979.14 and 353,890.88
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Solution
The fourth proportional to 571,725.63, 788,979.14 and 353,890.88 is: 488,368.02
Step by Step Solution
- Step 1: Write the proportion equation
571,725.63 : 788,979.14 = 353,890.88 : x - Step 2: Convert to fraction form
571,725.63/788,979.14 = 353,890.88/x - Step 3: Cross multiply
571,725.63x = 788,979.14 × 353,890.88 - Step 4: Simplify right side
571,725.63x = 279,212,516,441.89 - Step 5: Solve for x
x = 279,212,516,441.89/571,725.63 - Step 6: Final answer
x = 488,368.02
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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.