Finding the Fourth Proportional to 779,211.70, 1,168,234.35 and 424,626.10
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Solution
The fourth proportional to 779,211.70, 1,168,234.35 and 424,626.10 is: 636,621.34
Step by Step Solution
- Step 1: Write the proportion equation
779,211.70 : 1,168,234.35 = 424,626.10 : x - Step 2: Convert to fraction form
779,211.70/1,168,234.35 = 424,626.10/x - Step 3: Cross multiply
779,211.70x = 1,168,234.35 × 424,626.10 - Step 4: Simplify right side
779,211.70x = 496,062,795,926.54 - Step 5: Solve for x
x = 496,062,795,926.54/779,211.70 - Step 6: Final answer
x = 636,621.34
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1.5x scale
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.