Finding the Fourth Proportional to 746,406.91, 1,029,407.70 and 630,687.34
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Solution
The fourth proportional to 746,406.91, 1,029,407.70 and 630,687.34 is: 869,812.96
Step by Step Solution
- Step 1: Write the proportion equation
746,406.91 : 1,029,407.70 = 630,687.34 : x - Step 2: Convert to fraction form
746,406.91/1,029,407.70 = 630,687.34/x - Step 3: Cross multiply
746,406.91x = 1,029,407.70 × 630,687.34 - Step 4: Simplify right side
746,406.91x = 649,234,404,088.52 - Step 5: Solve for x
x = 649,234,404,088.52/746,406.91 - Step 6: Final answer
x = 869,812.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.