Finding the Fourth Proportional to 698,543.14, 1,046,239.26 and 489,116.02
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Solution
The fourth proportional to 698,543.14, 1,046,239.26 and 489,116.02 is: 732,570.91
Step by Step Solution
- Step 1: Write the proportion equation
698,543.14 : 1,046,239.26 = 489,116.02 : x - Step 2: Convert to fraction form
698,543.14/1,046,239.26 = 489,116.02/x - Step 3: Cross multiply
698,543.14x = 1,046,239.26 × 489,116.02 - Step 4: Simplify right side
698,543.14x = 511,732,382,818.95 - Step 5: Solve for x
x = 511,732,382,818.95/698,543.14 - Step 6: Final answer
x = 732,570.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.