Finding the Fourth Proportional to 949,192.20, 1,309,885.74 and 519,472.08
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Solution
The fourth proportional to 949,192.20, 1,309,885.74 and 519,472.08 is: 716,871.75
Step by Step Solution
- Step 1: Write the proportion equation
949,192.20 : 1,309,885.74 = 519,472.08 : x - Step 2: Convert to fraction form
949,192.20/1,309,885.74 = 519,472.08/x - Step 3: Cross multiply
949,192.20x = 1,309,885.74 × 519,472.08 - Step 4: Simplify right side
949,192.20x = 680,449,069,920.14 - Step 5: Solve for x
x = 680,449,069,920.14/949,192.20 - Step 6: Final answer
x = 716,871.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.