Finding the Fourth Proportional to 506,428.54, 698,793.73 and 291,527.07
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Solution
The fourth proportional to 506,428.54, 698,793.73 and 291,527.07 is: 402,262.65
Step by Step Solution
- Step 1: Write the proportion equation
506,428.54 : 698,793.73 = 291,527.07 : x - Step 2: Convert to fraction form
506,428.54/698,793.73 = 291,527.07/x - Step 3: Cross multiply
506,428.54x = 698,793.73 × 291,527.07 - Step 4: Simplify right side
506,428.54x = 203,717,285,291.98 - Step 5: Solve for x
x = 203,717,285,291.98/506,428.54 - Step 6: Final answer
x = 402,262.65
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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.