Finding the Fourth Proportional to 875,263.14, 1,312,369.74 and 401,354.82
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Solution
The fourth proportional to 875,263.14, 1,312,369.74 and 401,354.82 is: 601,791.50
Step by Step Solution
- Step 1: Write the proportion equation
875,263.14 : 1,312,369.74 = 401,354.82 : x - Step 2: Convert to fraction form
875,263.14/1,312,369.74 = 401,354.82/x - Step 3: Cross multiply
875,263.14x = 1,312,369.74 × 401,354.82 - Step 4: Simplify right side
875,263.14x = 526,725,920,771.15 - Step 5: Solve for x
x = 526,725,920,771.15/875,263.14 - Step 6: Final answer
x = 601,791.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.