Finding the Fourth Proportional to 971,318.70, 1,456,978.05 and 943,670.70
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Solution
The fourth proportional to 971,318.70, 1,456,978.05 and 943,670.70 is: 1,415,506.05
Step by Step Solution
- Step 1: Write the proportion equation
971,318.70 : 1,456,978.05 = 943,670.70 : x - Step 2: Convert to fraction form
971,318.70/1,456,978.05 = 943,670.70/x - Step 3: Cross multiply
971,318.70x = 1,456,978.05 × 943,670.70 - Step 4: Simplify right side
971,318.70x = 1,374,907,496,328.14 - Step 5: Solve for x
x = 1,374,907,496,328.14/971,318.70 - Step 6: Final answer
x = 1,415,506.05
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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.