Finding the Fourth Proportional to 998,882.24, 1,378,592.34 and 563,388.98
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Solution
The fourth proportional to 998,882.24, 1,378,592.34 and 563,388.98 is: 777,552.85
Step by Step Solution
- Step 1: Write the proportion equation
998,882.24 : 1,378,592.34 = 563,388.98 : x - Step 2: Convert to fraction form
998,882.24/1,378,592.34 = 563,388.98/x - Step 3: Cross multiply
998,882.24x = 1,378,592.34 × 563,388.98 - Step 4: Simplify right side
998,882.24x = 776,683,732,268.41 - Step 5: Solve for x
x = 776,683,732,268.41/998,882.24 - Step 6: Final answer
x = 777,552.85
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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.