Finding the Fourth Proportional to 848,303.61, 1,272,422.18 and 287,338.09
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Solution
The fourth proportional to 848,303.61, 1,272,422.18 and 287,338.09 is: 430,995.88
Step by Step Solution
- Step 1: Write the proportion equation
848,303.61 : 1,272,422.18 = 287,338.09 : x - Step 2: Convert to fraction form
848,303.61/1,272,422.18 = 287,338.09/x - Step 3: Cross multiply
848,303.61x = 1,272,422.18 × 287,338.09 - Step 4: Simplify right side
848,303.61x = 365,615,357,438.15 - Step 5: Solve for x
x = 365,615,357,438.15/848,303.61 - Step 6: Final answer
x = 430,995.88
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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.