Finding the Fourth Proportional to 632,714.36, 873,124.62 and 346,215.20
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Solution
The fourth proportional to 632,714.36, 873,124.62 and 346,215.20 is: 477,765.38
Step by Step Solution
- Step 1: Write the proportion equation
632,714.36 : 873,124.62 = 346,215.20 : x - Step 2: Convert to fraction form
632,714.36/873,124.62 = 346,215.20/x - Step 3: Cross multiply
632,714.36x = 873,124.62 × 346,215.20 - Step 4: Simplify right side
632,714.36x = 302,289,014,938.22 - Step 5: Solve for x
x = 302,289,014,938.22/632,714.36 - Step 6: Final answer
x = 477,765.38
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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.