Finding the Fourth Proportional to 608,745.80, 913,118.70 and 293,817.80
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Solution
The fourth proportional to 608,745.80, 913,118.70 and 293,817.80 is: 440,726.70
Step by Step Solution
- Step 1: Write the proportion equation
608,745.80 : 913,118.70 = 293,817.80 : x - Step 2: Convert to fraction form
608,745.80/913,118.70 = 293,817.80/x - Step 3: Cross multiply
608,745.80x = 913,118.70 × 293,817.80 - Step 4: Simplify right side
608,745.80x = 268,290,527,572.86 - Step 5: Solve for x
x = 268,290,527,572.86/608,745.80 - Step 6: Final answer
x = 440,726.70
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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.