Finding the Fourth Proportional to 897,030.42, 1,237,886.18 and 489,135.48
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Solution
The fourth proportional to 897,030.42, 1,237,886.18 and 489,135.48 is: 674,998.35
Step by Step Solution
- Step 1: Write the proportion equation
897,030.42 : 1,237,886.18 = 489,135.48 : x - Step 2: Convert to fraction form
897,030.42/1,237,886.18 = 489,135.48/x - Step 3: Cross multiply
897,030.42x = 1,237,886.18 × 489,135.48 - Step 4: Simplify right side
897,030.42x = 605,494,050,839.67 - Step 5: Solve for x
x = 605,494,050,839.67/897,030.42 - Step 6: Final answer
x = 674,998.35
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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.