Finding the Fourth Proportional to 933,972.45, 1,288,499.58 and 689,541.99
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Solution
The fourth proportional to 933,972.45, 1,288,499.58 and 689,541.99 is: 951,285.62
Step by Step Solution
- Step 1: Write the proportion equation
933,972.45 : 1,288,499.58 = 689,541.99 : x - Step 2: Convert to fraction form
933,972.45/1,288,499.58 = 689,541.99/x - Step 3: Cross multiply
933,972.45x = 1,288,499.58 × 689,541.99 - Step 4: Simplify right side
933,972.45x = 888,474,564,507.36 - Step 5: Solve for x
x = 888,474,564,507.36/933,972.45 - Step 6: Final answer
x = 951,285.62
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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.