Finding the Fourth Proportional to 784,700.34, 1,177,044.84 and 519,647.28
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Solution
The fourth proportional to 784,700.34, 1,177,044.84 and 519,647.28 is: 779,467.17
Step by Step Solution
- Step 1: Write the proportion equation
784,700.34 : 1,177,044.84 = 519,647.28 : x - Step 2: Convert to fraction form
784,700.34/1,177,044.84 = 519,647.28/x - Step 3: Cross multiply
784,700.34x = 1,177,044.84 × 519,647.28 - Step 4: Simplify right side
784,700.34x = 611,648,149,544.04 - Step 5: Solve for x
x = 611,648,149,544.04/784,700.34 - Step 6: Final answer
x = 779,467.17
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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.