Finding the Fourth Proportional to 698,982.93, 1,046,792.76 and 398,552.70
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Solution
The fourth proportional to 698,982.93, 1,046,792.76 and 398,552.70 is: 596,870.20
Step by Step Solution
- Step 1: Write the proportion equation
698,982.93 : 1,046,792.76 = 398,552.70 : x - Step 2: Convert to fraction form
698,982.93/1,046,792.76 = 398,552.70/x - Step 3: Cross multiply
698,982.93x = 1,046,792.76 × 398,552.70 - Step 4: Simplify right side
698,982.93x = 417,202,080,838.45 - Step 5: Solve for x
x = 417,202,080,838.45/698,982.93 - Step 6: Final answer
x = 596,870.20
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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.