Finding the Fourth Proportional to 867,442.50, 1,197,809.37 and 545,691.06
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Solution
The fourth proportional to 867,442.50, 1,197,809.37 and 545,691.06 is: 753,518.38
Step by Step Solution
- Step 1: Write the proportion equation
867,442.50 : 1,197,809.37 = 545,691.06 : x - Step 2: Convert to fraction form
867,442.50/1,197,809.37 = 545,691.06/x - Step 3: Cross multiply
867,442.50x = 1,197,809.37 × 545,691.06 - Step 4: Simplify right side
867,442.50x = 653,633,864,793.23 - Step 5: Solve for x
x = 653,633,864,793.23/867,442.50 - Step 6: Final answer
x = 753,518.38
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1.5x scale
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.