Finding the Fourth Proportional to 970,118.00, 1,338,804.25 and 540,398.42
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Solution
The fourth proportional to 970,118.00, 1,338,804.25 and 540,398.42 is: 745,772.88
Step by Step Solution
- Step 1: Write the proportion equation
970,118.00 : 1,338,804.25 = 540,398.42 : x - Step 2: Convert to fraction form
970,118.00/1,338,804.25 = 540,398.42/x - Step 3: Cross multiply
970,118.00x = 1,338,804.25 × 540,398.42 - Step 4: Simplify right side
970,118.00x = 723,487,694,695.26 - Step 5: Solve for x
x = 723,487,694,695.26/970,118.00 - Step 6: Final answer
x = 745,772.88
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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.