Finding the Fourth Proportional to 800,634.93, 1,104,866.36 and 438,053.57
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Solution
The fourth proportional to 800,634.93, 1,104,866.36 and 438,053.57 is: 604,508.53
Step by Step Solution
- Step 1: Write the proportion equation
800,634.93 : 1,104,866.36 = 438,053.57 : x - Step 2: Convert to fraction form
800,634.93/1,104,866.36 = 438,053.57/x - Step 3: Cross multiply
800,634.93x = 1,104,866.36 × 438,053.57 - Step 4: Simplify right side
800,634.93x = 483,990,645,656.31 - Step 5: Solve for x
x = 483,990,645,656.31/800,634.93 - Step 6: Final answer
x = 604,508.53
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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.