Finding the Fourth Proportional to 772,053.44, 1,158,314.28 and 372,619.76
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Solution
The fourth proportional to 772,053.44, 1,158,314.28 and 372,619.76 is: 559,042.63
Step by Step Solution
- Step 1: Write the proportion equation
772,053.44 : 1,158,314.28 = 372,619.76 : x - Step 2: Convert to fraction form
772,053.44/1,158,314.28 = 372,619.76/x - Step 3: Cross multiply
772,053.44x = 1,158,314.28 × 372,619.76 - Step 4: Simplify right side
772,053.44x = 431,610,789,018.17 - Step 5: Solve for x
x = 431,610,789,018.17/772,053.44 - Step 6: Final answer
x = 559,042.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.