Finding the Fourth Proportional to 791,971.96, 1,187,433.20 and 286,466.42
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Solution
The fourth proportional to 791,971.96, 1,187,433.20 and 286,466.42 is: 429,509.82
Step by Step Solution
- Step 1: Write the proportion equation
791,971.96 : 1,187,433.20 = 286,466.42 : x - Step 2: Convert to fraction form
791,971.96/1,187,433.20 = 286,466.42/x - Step 3: Cross multiply
791,971.96x = 1,187,433.20 × 286,466.42 - Step 4: Simplify right side
791,971.96x = 340,159,733,392.23 - Step 5: Solve for x
x = 340,159,733,392.23/791,971.96 - Step 6: Final answer
x = 429,509.82
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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.