Finding the Fourth Proportional to 999,159.48, 1,378,850.96 and 546,440.76
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Solution
The fourth proportional to 999,159.48, 1,378,850.96 and 546,440.76 is: 754,094.20
Step by Step Solution
- Step 1: Write the proportion equation
999,159.48 : 1,378,850.96 = 546,440.76 : x - Step 2: Convert to fraction form
999,159.48/1,378,850.96 = 546,440.76/x - Step 3: Cross multiply
999,159.48x = 1,378,850.96 × 546,440.76 - Step 4: Simplify right side
999,159.48x = 753,460,366,509.13 - Step 5: Solve for x
x = 753,460,366,509.13/999,159.48 - Step 6: Final answer
x = 754,094.20
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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.