Finding the Fourth Proportional to 943,351.71, 1,415,248.98 and 312,265.50
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Solution
The fourth proportional to 943,351.71, 1,415,248.98 and 312,265.50 is: 468,471.54
Step by Step Solution
- Step 1: Write the proportion equation
943,351.71 : 1,415,248.98 = 312,265.50 : x - Step 2: Convert to fraction form
943,351.71/1,415,248.98 = 312,265.50/x - Step 3: Cross multiply
943,351.71x = 1,415,248.98 × 312,265.50 - Step 4: Simplify right side
943,351.71x = 441,933,430,364.19 - Step 5: Solve for x
x = 441,933,430,364.19/943,351.71 - Step 6: Final answer
x = 468,471.54
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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.