Finding the Fourth Proportional to 551,427.10, 827,140.65 and 314,793.70
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Solution
The fourth proportional to 551,427.10, 827,140.65 and 314,793.70 is: 472,190.55
Step by Step Solution
- Step 1: Write the proportion equation
551,427.10 : 827,140.65 = 314,793.70 : x - Step 2: Convert to fraction form
551,427.10/827,140.65 = 314,793.70/x - Step 3: Cross multiply
551,427.10x = 827,140.65 × 314,793.70 - Step 4: Simplify right side
551,427.10x = 260,378,665,633.91 - Step 5: Solve for x
x = 260,378,665,633.91/551,427.10 - Step 6: Final answer
x = 472,190.55
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1.5x scale
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.