Finding the Fourth Proportional to 713,583.50, 984,775.12 and 391,306.02
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Solution
The fourth proportional to 713,583.50, 984,775.12 and 391,306.02 is: 540,018.70
Step by Step Solution
- Step 1: Write the proportion equation
713,583.50 : 984,775.12 = 391,306.02 : x - Step 2: Convert to fraction form
713,583.50/984,775.12 = 391,306.02/x - Step 3: Cross multiply
713,583.50x = 984,775.12 × 391,306.02 - Step 4: Simplify right side
713,583.50x = 385,348,432,802.22 - Step 5: Solve for x
x = 385,348,432,802.22/713,583.50 - Step 6: Final answer
x = 540,018.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.