Finding the Fourth Proportional to 792,978.68, 1,094,296.84 and 430,394.75
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Solution
The fourth proportional to 792,978.68, 1,094,296.84 and 430,394.75 is: 593,937.31
Step by Step Solution
- Step 1: Write the proportion equation
792,978.68 : 1,094,296.84 = 430,394.75 : x - Step 2: Convert to fraction form
792,978.68/1,094,296.84 = 430,394.75/x - Step 3: Cross multiply
792,978.68x = 1,094,296.84 × 430,394.75 - Step 4: Simplify right side
792,978.68x = 470,979,621,010.12 - Step 5: Solve for x
x = 470,979,621,010.12/792,978.68 - Step 6: Final answer
x = 593,937.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.