Finding the Fourth Proportional to 632,699.80, 873,125.69 and 346,219.92
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Solution
The fourth proportional to 632,699.80, 873,125.69 and 346,219.92 is: 477,783.47
Step by Step Solution
- Step 1: Write the proportion equation
632,699.80 : 873,125.69 = 346,219.92 : x - Step 2: Convert to fraction form
632,699.80/873,125.69 = 346,219.92/x - Step 3: Cross multiply
632,699.80x = 873,125.69 × 346,219.92 - Step 4: Simplify right side
632,699.80x = 302,293,506,541.75 - Step 5: Solve for x
x = 302,293,506,541.75/632,699.80 - Step 6: Final answer
x = 477,783.47
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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.