Finding the Fourth Proportional to 767,070.26, 1,058,681.85 and 461,455.55
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Solution
The fourth proportional to 767,070.26, 1,058,681.85 and 461,455.55 is: 636,883.79
Step by Step Solution
- Step 1: Write the proportion equation
767,070.26 : 1,058,681.85 = 461,455.55 : x - Step 2: Convert to fraction form
767,070.26/1,058,681.85 = 461,455.55/x - Step 3: Cross multiply
767,070.26x = 1,058,681.85 × 461,455.55 - Step 4: Simplify right side
767,070.26x = 488,534,612,656.48 - Step 5: Solve for x
x = 488,534,612,656.48/767,070.26 - Step 6: Final answer
x = 636,883.79
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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.