Finding the Fourth Proportional to 614,642.23, 846,276.12 and 522,580.47
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Solution
The fourth proportional to 614,642.23, 846,276.12 and 522,580.47 is: 719,519.99
Step by Step Solution
- Step 1: Write the proportion equation
614,642.23 : 846,276.12 = 522,580.47 : x - Step 2: Convert to fraction form
614,642.23/846,276.12 = 522,580.47/x - Step 3: Cross multiply
614,642.23x = 846,276.12 × 522,580.47 - Step 4: Simplify right side
614,642.23x = 442,247,372,539.38 - Step 5: Solve for x
x = 442,247,372,539.38/614,642.23 - Step 6: Final answer
x = 719,519.99
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1.5x scale
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.