Finding the Fourth Proportional to 554,349.20, 831,523.80 and 344,397.20
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Solution
The fourth proportional to 554,349.20, 831,523.80 and 344,397.20 is: 516,595.80
Step by Step Solution
- Step 1: Write the proportion equation
554,349.20 : 831,523.80 = 344,397.20 : x - Step 2: Convert to fraction form
554,349.20/831,523.80 = 344,397.20/x - Step 3: Cross multiply
554,349.20x = 831,523.80 × 344,397.20 - Step 4: Simplify right side
554,349.20x = 286,374,468,453.36 - Step 5: Solve for x
x = 286,374,468,453.36/554,349.20 - Step 6: Final answer
x = 516,595.80
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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.