Finding the Fourth Proportional to 698,542.14, 1,046,237.76 and 489,115.02
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Solution
The fourth proportional to 698,542.14, 1,046,237.76 and 489,115.02 is: 732,569.41
Step by Step Solution
- Step 1: Write the proportion equation
698,542.14 : 1,046,237.76 = 489,115.02 : x - Step 2: Convert to fraction form
698,542.14/1,046,237.76 = 489,115.02/x - Step 3: Cross multiply
698,542.14x = 1,046,237.76 × 489,115.02 - Step 4: Simplify right side
698,542.14x = 511,730,602,907.16 - Step 5: Solve for x
x = 511,730,602,907.16/698,542.14 - Step 6: Final answer
x = 732,569.41
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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.