Finding the Fourth Proportional to 403,821.70, 604,420.35 and 403,821.70
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Solution
The fourth proportional to 403,821.70, 604,420.35 and 403,821.70 is: 604,420.35
Step by Step Solution
- Step 1: Write the proportion equation
403,821.70 : 604,420.35 = 403,821.70 : x - Step 2: Convert to fraction form
403,821.70/604,420.35 = 403,821.70/x - Step 3: Cross multiply
403,821.70x = 604,420.35 × 403,821.70 - Step 4: Simplify right side
403,821.70x = 244,078,053,251.60 - Step 5: Solve for x
x = 244,078,053,251.60/403,821.70 - Step 6: Final answer
x = 604,420.35
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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.