Finding the Fourth Proportional to 632,699.42, 873,125.18 and 346,219.54
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Solution
The fourth proportional to 632,699.42, 873,125.18 and 346,219.54 is: 477,782.95
Step by Step Solution
- Step 1: Write the proportion equation
632,699.42 : 873,125.18 = 346,219.54 : x - Step 2: Convert to fraction form
632,699.42/873,125.18 = 346,219.54/x - Step 3: Cross multiply
632,699.42x = 873,125.18 × 346,219.54 - Step 4: Simplify right side
632,699.42x = 302,292,998,182.02 - Step 5: Solve for x
x = 302,292,998,182.02/632,699.42 - Step 6: Final answer
x = 477,782.95
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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.