Finding the Fourth Proportional to 918,566.77, 1,378,807.36 and 897,958.62
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Solution
The fourth proportional to 918,566.77, 1,378,807.36 and 897,958.62 is: 1,347,873.67
Step by Step Solution
- Step 1: Write the proportion equation
918,566.77 : 1,378,807.36 = 897,958.62 : x - Step 2: Convert to fraction form
918,566.77/1,378,807.36 = 897,958.62/x - Step 3: Cross multiply
918,566.77x = 1,378,807.36 × 897,958.62 - Step 4: Simplify right side
918,566.77x = 1,238,111,958,976.51 - Step 5: Solve for x
x = 1,238,111,958,976.51/918,566.77 - Step 6: Final answer
x = 1,347,873.67
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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.