Finding the Fourth Proportional to 772,062.76, 1,157,809.50 and 266,495.08
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Solution
The fourth proportional to 772,062.76, 1,157,809.50 and 266,495.08 is: 399,644.37
Step by Step Solution
- Step 1: Write the proportion equation
772,062.76 : 1,157,809.50 = 266,495.08 : x - Step 2: Convert to fraction form
772,062.76/1,157,809.50 = 266,495.08/x - Step 3: Cross multiply
772,062.76x = 1,157,809.50 × 266,495.08 - Step 4: Simplify right side
772,062.76x = 308,550,535,327.26 - Step 5: Solve for x
x = 308,550,535,327.26/772,062.76 - Step 6: Final answer
x = 399,644.37
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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.