Finding the Fourth Proportional to 684,251.27, 944,226.33 and 378,303.63
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Solution
The fourth proportional to 684,251.27, 944,226.33 and 378,303.63 is: 522,036.66
Step by Step Solution
- Step 1: Write the proportion equation
684,251.27 : 944,226.33 = 378,303.63 : x - Step 2: Convert to fraction form
684,251.27/944,226.33 = 378,303.63/x - Step 3: Cross multiply
684,251.27x = 944,226.33 × 378,303.63 - Step 4: Simplify right side
684,251.27x = 357,204,248,180.58 - Step 5: Solve for x
x = 357,204,248,180.58/684,251.27 - Step 6: Final answer
x = 522,036.66
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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.