Finding the Fourth Proportional to 592,990.78, 888,554.81 and 458,384.68
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Solution
The fourth proportional to 592,990.78, 888,554.81 and 458,384.68 is: 686,857.07
Step by Step Solution
- Step 1: Write the proportion equation
592,990.78 : 888,554.81 = 458,384.68 : x - Step 2: Convert to fraction form
592,990.78/888,554.81 = 458,384.68/x - Step 3: Cross multiply
592,990.78x = 888,554.81 × 458,384.68 - Step 4: Simplify right side
592,990.78x = 407,299,912,244.31 - Step 5: Solve for x
x = 407,299,912,244.31/592,990.78 - Step 6: Final answer
x = 686,857.07
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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.