Finding the Fourth Proportional to 636,535.42, 878,398.77 and 350,054.62
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Solution
The fourth proportional to 636,535.42, 878,398.77 and 350,054.62 is: 483,064.32
Step by Step Solution
- Step 1: Write the proportion equation
636,535.42 : 878,398.77 = 350,054.62 : x - Step 2: Convert to fraction form
636,535.42/878,398.77 = 350,054.62/x - Step 3: Cross multiply
636,535.42x = 878,398.77 × 350,054.62 - Step 4: Simplify right side
636,535.42x = 307,487,547,640.82 - Step 5: Solve for x
x = 307,487,547,640.82/636,535.42 - Step 6: Final answer
x = 483,064.32
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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.