Finding the Fourth Proportional to 698,980.93, 1,046,896.21 and 489,553.81
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Solution
The fourth proportional to 698,980.93, 1,046,896.21 and 489,553.81 is: 733,227.48
Step by Step Solution
- Step 1: Write the proportion equation
698,980.93 : 1,046,896.21 = 489,553.81 : x - Step 2: Convert to fraction form
698,980.93/1,046,896.21 = 489,553.81/x - Step 3: Cross multiply
698,980.93x = 1,046,896.21 × 489,553.81 - Step 4: Simplify right side
698,980.93x = 512,512,028,280.06 - Step 5: Solve for x
x = 512,512,028,280.06/698,980.93 - Step 6: Final answer
x = 733,227.48
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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.