Finding the Fourth Proportional to 982,948.70, 1,474,423.59 and 272,976.68
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Solution
The fourth proportional to 982,948.70, 1,474,423.59 and 272,976.68 is: 409,465.17
Step by Step Solution
- Step 1: Write the proportion equation
982,948.70 : 1,474,423.59 = 272,976.68 : x - Step 2: Convert to fraction form
982,948.70/1,474,423.59 = 272,976.68/x - Step 3: Cross multiply
982,948.70x = 1,474,423.59 × 272,976.68 - Step 4: Simplify right side
982,948.70x = 402,483,256,511.88 - Step 5: Solve for x
x = 402,483,256,511.88/982,948.70 - Step 6: Final answer
x = 409,465.17
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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.