Finding the Fourth Proportional to 927,059.84, 1,390,661.64 and 278,585.40
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Solution
The fourth proportional to 927,059.84, 1,390,661.64 and 278,585.40 is: 417,899.70
Step by Step Solution
- Step 1: Write the proportion equation
927,059.84 : 1,390,661.64 = 278,585.40 : x - Step 2: Convert to fraction form
927,059.84/1,390,661.64 = 278,585.40/x - Step 3: Cross multiply
927,059.84x = 1,390,661.64 × 278,585.40 - Step 4: Simplify right side
927,059.84x = 387,418,029,244.06 - Step 5: Solve for x
x = 387,418,029,244.06/927,059.84 - Step 6: Final answer
x = 417,899.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.