Finding the Fourth Proportional to 692,203.54, 955,239.10 and 386,276.66
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Solution
The fourth proportional to 692,203.54, 955,239.10 and 386,276.66 is: 533,060.79
Step by Step Solution
- Step 1: Write the proportion equation
692,203.54 : 955,239.10 = 386,276.66 : x - Step 2: Convert to fraction form
692,203.54/955,239.10 = 386,276.66/x - Step 3: Cross multiply
692,203.54x = 955,239.10 × 386,276.66 - Step 4: Simplify right side
692,203.54x = 368,986,569,049.41 - Step 5: Solve for x
x = 368,986,569,049.41/692,203.54 - Step 6: Final answer
x = 533,060.79
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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.