Finding the Fourth Proportional to 577,982.40, 797,640.12 and 357,268.74
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Solution
The fourth proportional to 577,982.40, 797,640.12 and 357,268.74 is: 493,045.95
Step by Step Solution
- Step 1: Write the proportion equation
577,982.40 : 797,640.12 = 357,268.74 : x - Step 2: Convert to fraction form
577,982.40/797,640.12 = 357,268.74/x - Step 3: Cross multiply
577,982.40x = 797,640.12 × 357,268.74 - Step 4: Simplify right side
577,982.40x = 284,971,880,645.85 - Step 5: Solve for x
x = 284,971,880,645.85/577,982.40 - Step 6: Final answer
x = 493,045.95
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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.