Finding the Fourth Proportional to 403,811.70, 604,405.35 and 403,811.70
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Solution
The fourth proportional to 403,811.70, 604,405.35 and 403,811.70 is: 604,405.35
Step by Step Solution
- Step 1: Write the proportion equation
403,811.70 : 604,405.35 = 403,811.70 : x - Step 2: Convert to fraction form
403,811.70/604,405.35 = 403,811.70/x - Step 3: Cross multiply
403,811.70x = 604,405.35 × 403,811.70 - Step 4: Simplify right side
403,811.70x = 244,065,951,872.60 - Step 5: Solve for x
x = 244,065,951,872.60/403,811.70 - Step 6: Final answer
x = 604,405.35
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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.