Finding the Fourth Proportional to 708,117.83, 1,062,619.62 and 287,393.70
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Solution
The fourth proportional to 708,117.83, 1,062,619.62 and 287,393.70 is: 431,270.30
Step by Step Solution
- Step 1: Write the proportion equation
708,117.83 : 1,062,619.62 = 287,393.70 : x - Step 2: Convert to fraction form
708,117.83/1,062,619.62 = 287,393.70/x - Step 3: Cross multiply
708,117.83x = 1,062,619.62 × 287,393.70 - Step 4: Simplify right side
708,117.83x = 305,390,184,284.39 - Step 5: Solve for x
x = 305,390,184,284.39/708,117.83 - Step 6: Final answer
x = 431,270.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.