Finding the Fourth Proportional to 872,535.39, 1,308,793.29 and 340,430.09
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Solution
The fourth proportional to 872,535.39, 1,308,793.29 and 340,430.09 is: 510,641.31
Step by Step Solution
- Step 1: Write the proportion equation
872,535.39 : 1,308,793.29 = 340,430.09 : x - Step 2: Convert to fraction form
872,535.39/1,308,793.29 = 340,430.09/x - Step 3: Cross multiply
872,535.39x = 1,308,793.29 × 340,430.09 - Step 4: Simplify right side
872,535.39x = 445,552,618,962.40 - Step 5: Solve for x
x = 445,552,618,962.40/872,535.39 - Step 6: Final answer
x = 510,641.31
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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.