Finding the Fourth Proportional to 947,043.74, 1,306,898.88 and 517,325.78
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Solution
The fourth proportional to 947,043.74, 1,306,898.88 and 517,325.78 is: 713,897.84
Step by Step Solution
- Step 1: Write the proportion equation
947,043.74 : 1,306,898.88 = 517,325.78 : x - Step 2: Convert to fraction form
947,043.74/1,306,898.88 = 517,325.78/x - Step 3: Cross multiply
947,043.74x = 1,306,898.88 × 517,325.78 - Step 4: Simplify right side
947,043.74x = 676,092,482,477.13 - Step 5: Solve for x
x = 676,092,482,477.13/947,043.74 - Step 6: Final answer
x = 713,897.84
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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.