Finding the Fourth Proportional to 999,248.76, 1,378,995.84 and 546,539.76
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Solution
The fourth proportional to 999,248.76, 1,378,995.84 and 546,539.76 is: 754,242.67
Step by Step Solution
- Step 1: Write the proportion equation
999,248.76 : 1,378,995.84 = 546,539.76 : x - Step 2: Convert to fraction form
999,248.76/1,378,995.84 = 546,539.76/x - Step 3: Cross multiply
999,248.76x = 1,378,995.84 × 546,539.76 - Step 4: Simplify right side
999,248.76x = 753,676,055,434.60 - Step 5: Solve for x
x = 753,676,055,434.60/999,248.76 - Step 6: Final answer
x = 754,242.67
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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.