Finding the Fourth Proportional to 915,366.49, 1,263,280.35 and 507,596.20
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Solution
The fourth proportional to 915,366.49, 1,263,280.35 and 507,596.20 is: 700,524.12
Step by Step Solution
- Step 1: Write the proportion equation
915,366.49 : 1,263,280.35 = 507,596.20 : x - Step 2: Convert to fraction form
915,366.49/1,263,280.35 = 507,596.20/x - Step 3: Cross multiply
915,366.49x = 1,263,280.35 × 507,596.20 - Step 4: Simplify right side
915,366.49x = 641,236,305,194.67 - Step 5: Solve for x
x = 641,236,305,194.67/915,366.49 - Step 6: Final answer
x = 700,524.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.