Finding the Fourth Proportional to 746,234.70, 1,119,352.05 and 680,916.30
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Solution
The fourth proportional to 746,234.70, 1,119,352.05 and 680,916.30 is: 1,021,374.45
Step by Step Solution
- Step 1: Write the proportion equation
746,234.70 : 1,119,352.05 = 680,916.30 : x - Step 2: Convert to fraction form
746,234.70/1,119,352.05 = 680,916.30/x - Step 3: Cross multiply
746,234.70x = 1,119,352.05 × 680,916.30 - Step 4: Simplify right side
746,234.70x = 762,185,056,283.42 - Step 5: Solve for x
x = 762,185,056,283.42/746,234.70 - Step 6: Final answer
x = 1,021,374.45
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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.