Finding the Fourth Proportional to 887,587.76, 1,224,871.26 and 479,688.26
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Solution
The fourth proportional to 887,587.76, 1,224,871.26 and 479,688.26 is: 661,969.88
Step by Step Solution
- Step 1: Write the proportion equation
887,587.76 : 1,224,871.26 = 479,688.26 : x - Step 2: Convert to fraction form
887,587.76/1,224,871.26 = 479,688.26/x - Step 3: Cross multiply
887,587.76x = 1,224,871.26 × 479,688.26 - Step 4: Simplify right side
887,587.76x = 587,556,363,433.41 - Step 5: Solve for x
x = 587,556,363,433.41/887,587.76 - Step 6: Final answer
x = 661,969.88
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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.