Finding the Fourth Proportional to 758,115.22, 1,046,190.96 and 413,950.08
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Solution
The fourth proportional to 758,115.22, 1,046,190.96 and 413,950.08 is: 571,246.72
Step by Step Solution
- Step 1: Write the proportion equation
758,115.22 : 1,046,190.96 = 413,950.08 : x - Step 2: Convert to fraction form
758,115.22/1,046,190.96 = 413,950.08/x - Step 3: Cross multiply
758,115.22x = 1,046,190.96 × 413,950.08 - Step 4: Simplify right side
758,115.22x = 433,070,831,587.28 - Step 5: Solve for x
x = 433,070,831,587.28/758,115.22 - Step 6: Final answer
x = 571,246.72
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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.