Finding the Fourth Proportional to 680,036.67, 1,020,055.70 and 253,565.99
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Solution
The fourth proportional to 680,036.67, 1,020,055.70 and 253,565.99 is: 380,349.23
Step by Step Solution
- Step 1: Write the proportion equation
680,036.67 : 1,020,055.70 = 253,565.99 : x - Step 2: Convert to fraction form
680,036.67/1,020,055.70 = 253,565.99/x - Step 3: Cross multiply
680,036.67x = 1,020,055.70 × 253,565.99 - Step 4: Simplify right side
680,036.67x = 258,651,427,057.54 - Step 5: Solve for x
x = 258,651,427,057.54/680,036.67 - Step 6: Final answer
x = 380,349.23
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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.