Finding the Fourth Proportional to 528,067.80, 792,101.70 and 440,587.80
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Solution
The fourth proportional to 528,067.80, 792,101.70 and 440,587.80 is: 660,881.70
Step by Step Solution
- Step 1: Write the proportion equation
528,067.80 : 792,101.70 = 440,587.80 : x - Step 2: Convert to fraction form
528,067.80/792,101.70 = 440,587.80/x - Step 3: Cross multiply
528,067.80x = 792,101.70 × 440,587.80 - Step 4: Simplify right side
528,067.80x = 348,990,345,379.26 - Step 5: Solve for x
x = 348,990,345,379.26/528,067.80 - Step 6: Final answer
x = 660,881.70
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1.5x scale
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.