Finding the Fourth Proportional to 781,289.07, 1,172,045.92 and 241,587.48
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Solution
The fourth proportional to 781,289.07, 1,172,045.92 and 241,587.48 is: 362,415.95
Step by Step Solution
- Step 1: Write the proportion equation
781,289.07 : 1,172,045.92 = 241,587.48 : x - Step 2: Convert to fraction form
781,289.07/1,172,045.92 = 241,587.48/x - Step 3: Cross multiply
781,289.07x = 1,172,045.92 × 241,587.48 - Step 4: Simplify right side
781,289.07x = 283,151,620,257.08 - Step 5: Solve for x
x = 283,151,620,257.08/781,289.07 - Step 6: Final answer
x = 362,415.95
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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.