Finding the Fourth Proportional to 559,634.36, 772,272.96 and 304,980.08
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Solution
The fourth proportional to 559,634.36, 772,272.96 and 304,980.08 is: 420,860.27
Step by Step Solution
- Step 1: Write the proportion equation
559,634.36 : 772,272.96 = 304,980.08 : x - Step 2: Convert to fraction form
559,634.36/772,272.96 = 304,980.08/x - Step 3: Cross multiply
559,634.36x = 772,272.96 × 304,980.08 - Step 4: Simplify right side
559,634.36x = 235,527,869,122.64 - Step 5: Solve for x
x = 235,527,869,122.64/559,634.36 - Step 6: Final answer
x = 420,860.27
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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.