Finding the Fourth Proportional to 539,331.60, 744,425.64 and 313,050
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Solution
The fourth proportional to 539,331.60, 744,425.64 and 313,050 is: 432,094.92
Step by Step Solution
- Step 1: Write the proportion equation
539,331.60 : 744,425.64 = 313,050 : x - Step 2: Convert to fraction form
539,331.60/744,425.64 = 313,050/x - Step 3: Cross multiply
539,331.60x = 744,425.64 × 313,050 - Step 4: Simplify right side
539,331.60x = 233,042,446,602 - Step 5: Solve for x
x = 233,042,446,602/539,331.60 - Step 6: Final answer
x = 432,094.92
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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.