Finding the Fourth Proportional to 709,072.98, 1,063,447.46 and 203,630.02
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Solution
The fourth proportional to 709,072.98, 1,063,447.46 and 203,630.02 is: 305,398.50
Step by Step Solution
- Step 1: Write the proportion equation
709,072.98 : 1,063,447.46 = 203,630.02 : x - Step 2: Convert to fraction form
709,072.98/1,063,447.46 = 203,630.02/x - Step 3: Cross multiply
709,072.98x = 1,063,447.46 × 203,630.02 - Step 4: Simplify right side
709,072.98x = 216,549,827,548.75 - Step 5: Solve for x
x = 216,549,827,548.75/709,072.98 - Step 6: Final answer
x = 305,398.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.