Finding the Fourth Proportional to 703,461.60, 970,795.08 and 431,679.65
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Solution
The fourth proportional to 703,461.60, 970,795.08 and 431,679.65 is: 595,729.00
Step by Step Solution
- Step 1: Write the proportion equation
703,461.60 : 970,795.08 = 431,679.65 : x - Step 2: Convert to fraction form
703,461.60/970,795.08 = 431,679.65/x - Step 3: Cross multiply
703,461.60x = 970,795.08 × 431,679.65 - Step 4: Simplify right side
703,461.60x = 419,072,475,502.15 - Step 5: Solve for x
x = 419,072,475,502.15/703,461.60 - Step 6: Final answer
x = 595,729.00
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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.