Finding the Fourth Proportional to 555,710.90, 766,880.99 and 301,062.09
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Solution
The fourth proportional to 555,710.90, 766,880.99 and 301,062.09 is: 415,465.66
Step by Step Solution
- Step 1: Write the proportion equation
555,710.90 : 766,880.99 = 301,062.09 : x - Step 2: Convert to fraction form
555,710.90/766,880.99 = 301,062.09/x - Step 3: Cross multiply
555,710.90x = 766,880.99 × 301,062.09 - Step 4: Simplify right side
555,710.90x = 230,878,793,630.67 - Step 5: Solve for x
x = 230,878,793,630.67/555,710.90 - Step 6: Final answer
x = 415,465.66
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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.