Finding the Fourth Proportional to 763,727.15, 1,053,826.31 and 441,374.99
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Solution
The fourth proportional to 763,727.15, 1,053,826.31 and 441,374.99 is: 609,029.78
Step by Step Solution
- Step 1: Write the proportion equation
763,727.15 : 1,053,826.31 = 441,374.99 : x - Step 2: Convert to fraction form
763,727.15/1,053,826.31 = 441,374.99/x - Step 3: Cross multiply
763,727.15x = 1,053,826.31 × 441,374.99 - Step 4: Simplify right side
763,727.15x = 465,132,577,465.68 - Step 5: Solve for x
x = 465,132,577,465.68/763,727.15 - Step 6: Final answer
x = 609,029.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.