Finding the Fourth Proportional to 660,268.98, 990,403.53 and 344,652.06
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Solution
The fourth proportional to 660,268.98, 990,403.53 and 344,652.06 is: 516,978.12
Step by Step Solution
- Step 1: Write the proportion equation
660,268.98 : 990,403.53 = 344,652.06 : x - Step 2: Convert to fraction form
660,268.98/990,403.53 = 344,652.06/x - Step 3: Cross multiply
660,268.98x = 990,403.53 × 344,652.06 - Step 4: Simplify right side
660,268.98x = 341,344,616,845.77 - Step 5: Solve for x
x = 341,344,616,845.77/660,268.98 - Step 6: Final answer
x = 516,978.12
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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.