Finding the Fourth Proportional to 666,915.99, 1,000,533.12 and 217,637.70
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Solution
The fourth proportional to 666,915.99, 1,000,533.12 and 217,637.70 is: 326,508.48
Step by Step Solution
- Step 1: Write the proportion equation
666,915.99 : 1,000,533.12 = 217,637.70 : x - Step 2: Convert to fraction form
666,915.99/1,000,533.12 = 217,637.70/x - Step 3: Cross multiply
666,915.99x = 1,000,533.12 × 217,637.70 - Step 4: Simplify right side
666,915.99x = 217,753,727,010.62 - Step 5: Solve for x
x = 217,753,727,010.62/666,915.99 - Step 6: Final answer
x = 326,508.48
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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.