Finding the Fourth Proportional to 897,350.68, 1,238,347.79 and 489,461.27
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Solution
The fourth proportional to 897,350.68, 1,238,347.79 and 489,461.27 is: 675,458.65
Step by Step Solution
- Step 1: Write the proportion equation
897,350.68 : 1,238,347.79 = 489,461.27 : x - Step 2: Convert to fraction form
897,350.68/1,238,347.79 = 489,461.27/x - Step 3: Cross multiply
897,350.68x = 1,238,347.79 × 489,461.27 - Step 4: Simplify right side
897,350.68x = 606,123,281,995.09 - Step 5: Solve for x
x = 606,123,281,995.09/897,350.68 - Step 6: Final answer
x = 675,458.65
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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.