Finding the Fourth Proportional to 999,141.24, 1,378,786.68 and 546,422.52
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Solution
The fourth proportional to 999,141.24, 1,378,786.68 and 546,422.52 is: 754,047.64
Step by Step Solution
- Step 1: Write the proportion equation
999,141.24 : 1,378,786.68 = 546,422.52 : x - Step 2: Convert to fraction form
999,141.24/1,378,786.68 = 546,422.52/x - Step 3: Cross multiply
999,141.24x = 1,378,786.68 × 546,422.52 - Step 4: Simplify right side
999,141.24x = 753,400,092,228.03 - Step 5: Solve for x
x = 753,400,092,228.03/999,141.24 - Step 6: Final answer
x = 754,047.64
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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.