Finding the Fourth Proportional to 1,105,432.80, 1,657,963.71 and 306,795.48
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Solution
The fourth proportional to 1,105,432.80, 1,657,963.71 and 306,795.48 is: 460,141.74
Step by Step Solution
- Step 1: Write the proportion equation
1,105,432.80 : 1,657,963.71 = 306,795.48 : x - Step 2: Convert to fraction form
1,105,432.80/1,657,963.71 = 306,795.48/x - Step 3: Cross multiply
1,105,432.80x = 1,657,963.71 × 306,795.48 - Step 4: Simplify right side
1,105,432.80x = 508,655,772,232.03 - Step 5: Solve for x
x = 508,655,772,232.03/1,105,432.80 - Step 6: Final answer
x = 460,141.74
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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.