Finding the Fourth Proportional to 559,515.94, 772,132.14 and 304,867.12
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Solution
The fourth proportional to 559,515.94, 772,132.14 and 304,867.12 is: 420,716.70
Step by Step Solution
- Step 1: Write the proportion equation
559,515.94 : 772,132.14 = 304,867.12 : x - Step 2: Convert to fraction form
559,515.94/772,132.14 = 304,867.12/x - Step 3: Cross multiply
559,515.94x = 772,132.14 × 304,867.12 - Step 4: Simplify right side
559,515.94x = 235,397,701,781.24 - Step 5: Solve for x
x = 235,397,701,781.24/559,515.94 - Step 6: Final answer
x = 420,716.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.