Finding the Fourth Proportional to 697,137.84, 962,050.14 and 395,331.84
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Solution
The fourth proportional to 697,137.84, 962,050.14 and 395,331.84 is: 545,557.89
Step by Step Solution
- Step 1: Write the proportion equation
697,137.84 : 962,050.14 = 395,331.84 : x - Step 2: Convert to fraction form
697,137.84/962,050.14 = 395,331.84/x - Step 3: Cross multiply
697,137.84x = 962,050.14 × 395,331.84 - Step 4: Simplify right side
697,137.84x = 380,329,052,018.46 - Step 5: Solve for x
x = 380,329,052,018.46/697,137.84 - Step 6: Final answer
x = 545,557.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.