Finding the Fourth Proportional to 878,493.03, 1,211,415.26 and 751,588.71
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Solution
The fourth proportional to 878,493.03, 1,211,415.26 and 751,588.71 is: 1,036,418.05
Step by Step Solution
- Step 1: Write the proportion equation
878,493.03 : 1,211,415.26 = 751,588.71 : x - Step 2: Convert to fraction form
878,493.03/1,211,415.26 = 751,588.71/x - Step 3: Cross multiply
878,493.03x = 1,211,415.26 × 751,588.71 - Step 4: Simplify right side
878,493.03x = 910,486,028,779.77 - Step 5: Solve for x
x = 910,486,028,779.77/878,493.03 - Step 6: Final answer
x = 1,036,418.05
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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.