Finding the Fourth Proportional to 684,214.99, 944,178.57 and 378,273.52
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Solution
The fourth proportional to 684,214.99, 944,178.57 and 378,273.52 is: 521,996.38
Step by Step Solution
- Step 1: Write the proportion equation
684,214.99 : 944,178.57 = 378,273.52 : x - Step 2: Convert to fraction form
684,214.99/944,178.57 = 378,273.52/x - Step 3: Cross multiply
684,214.99x = 944,178.57 × 378,273.52 - Step 4: Simplify right side
684,214.99x = 357,157,751,182.47 - Step 5: Solve for x
x = 357,157,751,182.47/684,214.99 - Step 6: Final answer
x = 521,996.38
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1.5x scale
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.