Finding the Fourth Proportional to 844,747.80, 1,165,781.12 and 462,774.48
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Solution
The fourth proportional to 844,747.80, 1,165,781.12 and 462,774.48 is: 638,644.75
Step by Step Solution
- Step 1: Write the proportion equation
844,747.80 : 1,165,781.12 = 462,774.48 : x - Step 2: Convert to fraction form
844,747.80/1,165,781.12 = 462,774.48/x - Step 3: Cross multiply
844,747.80x = 1,165,781.12 × 462,774.48 - Step 4: Simplify right side
844,747.80x = 539,493,751,601.82 - Step 5: Solve for x
x = 539,493,751,601.82/844,747.80 - Step 6: Final answer
x = 638,644.75
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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.