Finding the Fourth Proportional to 772,066.22, 1,158,245.06 and 292,437.68
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Solution
The fourth proportional to 772,066.22, 1,158,245.06 and 292,437.68 is: 438,711.71
Step by Step Solution
- Step 1: Write the proportion equation
772,066.22 : 1,158,245.06 = 292,437.68 : x - Step 2: Convert to fraction form
772,066.22/1,158,245.06 = 292,437.68/x - Step 3: Cross multiply
772,066.22x = 1,158,245.06 × 292,437.68 - Step 4: Simplify right side
772,066.22x = 338,714,490,964.45 - Step 5: Solve for x
x = 338,714,490,964.45/772,066.22 - Step 6: Final answer
x = 438,711.71
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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.