Finding the Fourth Proportional to 698,451.68, 1,046,408.88 and 538,784.48
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Solution
The fourth proportional to 698,451.68, 1,046,408.88 and 538,784.48 is: 807,198.09
Step by Step Solution
- Step 1: Write the proportion equation
698,451.68 : 1,046,408.88 = 538,784.48 : x - Step 2: Convert to fraction form
698,451.68/1,046,408.88 = 538,784.48/x - Step 3: Cross multiply
698,451.68x = 1,046,408.88 × 538,784.48 - Step 4: Simplify right side
698,451.68x = 563,788,864,278.18 - Step 5: Solve for x
x = 563,788,864,278.18/698,451.68 - Step 6: Final answer
x = 807,198.09
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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.