Finding the Fourth Proportional to 573,115.80, 859,673.70 and 519,971.70
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Solution
The fourth proportional to 573,115.80, 859,673.70 and 519,971.70 is: 779,957.55
Step by Step Solution
- Step 1: Write the proportion equation
573,115.80 : 859,673.70 = 519,971.70 : x - Step 2: Convert to fraction form
573,115.80/859,673.70 = 519,971.70/x - Step 3: Cross multiply
573,115.80x = 859,673.70 × 519,971.70 - Step 4: Simplify right side
573,115.80x = 447,005,995,234.29 - Step 5: Solve for x
x = 447,005,995,234.29/573,115.80 - Step 6: Final answer
x = 779,957.55
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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.