Finding the Fourth Proportional to 698,316.08, 1,047,282.95 and 192,756.20
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Solution
The fourth proportional to 698,316.08, 1,047,282.95 and 192,756.20 is: 289,081.53
Step by Step Solution
- Step 1: Write the proportion equation
698,316.08 : 1,047,282.95 = 192,756.20 : x - Step 2: Convert to fraction form
698,316.08/1,047,282.95 = 192,756.20/x - Step 3: Cross multiply
698,316.08x = 1,047,282.95 × 192,756.20 - Step 4: Simplify right side
698,316.08x = 201,870,281,766.79 - Step 5: Solve for x
x = 201,870,281,766.79/698,316.08 - Step 6: Final answer
x = 289,081.53
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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.