Finding the Fourth Proportional to 868,740.30, 1,303,177.05 and 292,366.38
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Solution
The fourth proportional to 868,740.30, 1,303,177.05 and 292,366.38 is: 438,571.98
Step by Step Solution
- Step 1: Write the proportion equation
868,740.30 : 1,303,177.05 = 292,366.38 : x - Step 2: Convert to fraction form
868,740.30/1,303,177.05 = 292,366.38/x - Step 3: Cross multiply
868,740.30x = 1,303,177.05 × 292,366.38 - Step 4: Simplify right side
868,740.30x = 381,005,156,607.58 - Step 5: Solve for x
x = 381,005,156,607.58/868,740.30 - Step 6: Final answer
x = 438,571.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.