Finding the Fourth Proportional to 665,536.96, 918,440.98 and 363,730.96
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Solution
The fourth proportional to 665,536.96, 918,440.98 and 363,730.96 is: 501,948.71
Step by Step Solution
- Step 1: Write the proportion equation
665,536.96 : 918,440.98 = 363,730.96 : x - Step 2: Convert to fraction form
665,536.96/918,440.98 = 363,730.96/x - Step 3: Cross multiply
665,536.96x = 918,440.98 × 363,730.96 - Step 4: Simplify right side
665,536.96x = 334,065,419,358.74 - Step 5: Solve for x
x = 334,065,419,358.74/665,536.96 - Step 6: Final answer
x = 501,948.71
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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.