Finding the Fourth Proportional to 947,043.24, 1,306,898.19 and 517,325.28
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Solution
The fourth proportional to 947,043.24, 1,306,898.19 and 517,325.28 is: 713,897.15
Step by Step Solution
- Step 1: Write the proportion equation
947,043.24 : 1,306,898.19 = 517,325.28 : x - Step 2: Convert to fraction form
947,043.24/1,306,898.19 = 517,325.28/x - Step 3: Cross multiply
947,043.24x = 1,306,898.19 × 517,325.28 - Step 4: Simplify right side
947,043.24x = 676,091,472,073.24 - Step 5: Solve for x
x = 676,091,472,073.24/947,043.24 - Step 6: Final answer
x = 713,897.15
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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.