Finding the Fourth Proportional to 698,479.91, 963,906.13 and 408,108.53
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Solution
The fourth proportional to 698,479.91, 963,906.13 and 408,108.53 is: 563,192.02
Step by Step Solution
- Step 1: Write the proportion equation
698,479.91 : 963,906.13 = 408,108.53 : x - Step 2: Convert to fraction form
698,479.91/963,906.13 = 408,108.53/x - Step 3: Cross multiply
698,479.91x = 963,906.13 × 408,108.53 - Step 4: Simplify right side
698,479.91x = 393,378,308,974.61 - Step 5: Solve for x
x = 393,378,308,974.61/698,479.91 - Step 6: Final answer
x = 563,192.02
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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.