Finding the Fourth Proportional to 432,089.14, 596,563.88 and 386,689.07
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Solution
The fourth proportional to 432,089.14, 596,563.88 and 386,689.07 is: 533,882.27
Step by Step Solution
- Step 1: Write the proportion equation
432,089.14 : 596,563.88 = 386,689.07 : x - Step 2: Convert to fraction form
432,089.14/596,563.88 = 386,689.07/x - Step 3: Cross multiply
432,089.14x = 596,563.88 × 386,689.07 - Step 4: Simplify right side
432,089.14x = 230,684,729,324.26 - Step 5: Solve for x
x = 230,684,729,324.26/432,089.14 - Step 6: Final answer
x = 533,882.27
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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.