Finding the Fourth Proportional to 765,624.70, 1,056,551.67 and 426,092.98
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Solution
The fourth proportional to 765,624.70, 1,056,551.67 and 426,092.98 is: 588,002.52
Step by Step Solution
- Step 1: Write the proportion equation
765,624.70 : 1,056,551.67 = 426,092.98 : x - Step 2: Convert to fraction form
765,624.70/1,056,551.67 = 426,092.98/x - Step 3: Cross multiply
765,624.70x = 1,056,551.67 × 426,092.98 - Step 4: Simplify right side
765,624.70x = 450,189,249,594.28 - Step 5: Solve for x
x = 450,189,249,594.28/765,624.70 - Step 6: Final answer
x = 588,002.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.