Finding the Fourth Proportional to 690,234.13, 952,990.68 and 432,214.60
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Solution
The fourth proportional to 690,234.13, 952,990.68 and 432,214.60 is: 596,748.94
Step by Step Solution
- Step 1: Write the proportion equation
690,234.13 : 952,990.68 = 432,214.60 : x - Step 2: Convert to fraction form
690,234.13/952,990.68 = 432,214.60/x - Step 3: Cross multiply
690,234.13x = 952,990.68 × 432,214.60 - Step 4: Simplify right side
690,234.13x = 411,896,485,559.93 - Step 5: Solve for x
x = 411,896,485,559.93/690,234.13 - Step 6: Final answer
x = 596,748.94
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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.