Finding the Fourth Proportional to 542,561.80, 813,842.70 and 514,913.80
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Solution
The fourth proportional to 542,561.80, 813,842.70 and 514,913.80 is: 772,370.70
Step by Step Solution
- Step 1: Write the proportion equation
542,561.80 : 813,842.70 = 514,913.80 : x - Step 2: Convert to fraction form
542,561.80/813,842.70 = 514,913.80/x - Step 3: Cross multiply
542,561.80x = 813,842.70 × 514,913.80 - Step 4: Simplify right side
542,561.80x = 419,058,837,259.26 - Step 5: Solve for x
x = 419,058,837,259.26/542,561.80 - Step 6: Final answer
x = 772,370.70
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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.