Finding the Fourth Proportional to 881,070.26, 1,215,853.34 and 518,515.48
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Solution
The fourth proportional to 881,070.26, 1,215,853.34 and 518,515.48 is: 715,537.46
Step by Step Solution
- Step 1: Write the proportion equation
881,070.26 : 1,215,853.34 = 518,515.48 : x - Step 2: Convert to fraction form
881,070.26/1,215,853.34 = 518,515.48/x - Step 3: Cross multiply
881,070.26x = 1,215,853.34 × 518,515.48 - Step 4: Simplify right side
881,070.26x = 630,438,778,199.70 - Step 5: Solve for x
x = 630,438,778,199.70/881,070.26 - Step 6: Final answer
x = 715,537.46
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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.