Finding the Fourth Proportional to 1,105,432.30, 1,657,962.96 and 306,794.98
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Solution
The fourth proportional to 1,105,432.30, 1,657,962.96 and 306,794.98 is: 460,140.99
Step by Step Solution
- Step 1: Write the proportion equation
1,105,432.30 : 1,657,962.96 = 306,794.98 : x - Step 2: Convert to fraction form
1,105,432.30/1,657,962.96 = 306,794.98/x - Step 3: Cross multiply
1,105,432.30x = 1,657,962.96 × 306,794.98 - Step 4: Simplify right side
1,105,432.30x = 508,654,713,153.94 - Step 5: Solve for x
x = 508,654,713,153.94/1,105,432.30 - Step 6: Final answer
x = 460,140.99
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1.5x scale
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.