Finding the Fourth Proportional to 998,641.84, 1,378,125.75 and 545,932.84
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Solution
The fourth proportional to 998,641.84, 1,378,125.75 and 545,932.84 is: 753,387.33
Step by Step Solution
- Step 1: Write the proportion equation
998,641.84 : 1,378,125.75 = 545,932.84 : x - Step 2: Convert to fraction form
998,641.84/1,378,125.75 = 545,932.84/x - Step 3: Cross multiply
998,641.84x = 1,378,125.75 × 545,932.84 - Step 4: Simplify right side
998,641.84x = 752,364,104,574.63 - Step 5: Solve for x
x = 752,364,104,574.63/998,641.84 - Step 6: Final answer
x = 753,387.33
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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.