Finding the Fourth Proportional to 871,284.16, 1,306,566.49 and 378,363.40
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Solution
The fourth proportional to 871,284.16, 1,306,566.49 and 378,363.40 is: 567,388.88
Step by Step Solution
- Step 1: Write the proportion equation
871,284.16 : 1,306,566.49 = 378,363.40 : x - Step 2: Convert to fraction form
871,284.16/1,306,566.49 = 378,363.40/x - Step 3: Cross multiply
871,284.16x = 1,306,566.49 × 378,363.40 - Step 4: Simplify right side
871,284.16x = 494,356,941,588.63 - Step 5: Solve for x
x = 494,356,941,588.63/871,284.16 - Step 6: Final answer
x = 567,388.88
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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.