Finding the Fourth Proportional to 545,612.22, 752,684.09 and 423,920.70
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Solution
The fourth proportional to 545,612.22, 752,684.09 and 423,920.70 is: 584,807.95
Step by Step Solution
- Step 1: Write the proportion equation
545,612.22 : 752,684.09 = 423,920.70 : x - Step 2: Convert to fraction form
545,612.22/752,684.09 = 423,920.70/x - Step 3: Cross multiply
545,612.22x = 752,684.09 × 423,920.70 - Step 4: Simplify right side
545,612.22x = 319,078,364,192.06 - Step 5: Solve for x
x = 319,078,364,192.06/545,612.22 - Step 6: Final answer
x = 584,807.95
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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.