Finding the Fourth Proportional to 943,409.40, 1,301,926.33 and 535,473.08
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Solution
The fourth proportional to 943,409.40, 1,301,926.33 and 535,473.08 is: 738,964.97
Step by Step Solution
- Step 1: Write the proportion equation
943,409.40 : 1,301,926.33 = 535,473.08 : x - Step 2: Convert to fraction form
943,409.40/1,301,926.33 = 535,473.08/x - Step 3: Cross multiply
943,409.40x = 1,301,926.33 × 535,473.08 - Step 4: Simplify right side
943,409.40x = 697,146,500,900.13 - Step 5: Solve for x
x = 697,146,500,900.13/943,409.40 - Step 6: Final answer
x = 738,964.97
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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.