Finding the Fourth Proportional to 694,470.58, 1,046,911.06 and 648,177.09
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Solution
The fourth proportional to 694,470.58, 1,046,911.06 and 648,177.09 is: 977,123.85
Step by Step Solution
- Step 1: Write the proportion equation
694,470.58 : 1,046,911.06 = 648,177.09 : x - Step 2: Convert to fraction form
694,470.58/1,046,911.06 = 648,177.09/x - Step 3: Cross multiply
694,470.58x = 1,046,911.06 × 648,177.09 - Step 4: Simplify right side
694,470.58x = 678,583,764,359.62 - Step 5: Solve for x
x = 678,583,764,359.62/694,470.58 - Step 6: Final answer
x = 977,123.85
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.