Finding the Fourth Proportional to 660,283.02, 990,293.28 and 323,178.84
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Solution
The fourth proportional to 660,283.02, 990,293.28 and 323,178.84 is: 484,704.02
Step by Step Solution
- Step 1: Write the proportion equation
660,283.02 : 990,293.28 = 323,178.84 : x - Step 2: Convert to fraction form
660,283.02/990,293.28 = 323,178.84/x - Step 3: Cross multiply
660,283.02x = 990,293.28 × 323,178.84 - Step 4: Simplify right side
660,283.02x = 320,041,833,490.20 - Step 5: Solve for x
x = 320,041,833,490.20/660,283.02 - Step 6: Final answer
x = 484,704.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.