Finding the Fourth Proportional to 801,336.24, 1,106,594.46 and 515,354.40
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Solution
The fourth proportional to 801,336.24, 1,106,594.46 and 515,354.40 is: 711,671.70
Step by Step Solution
- Step 1: Write the proportion equation
801,336.24 : 1,106,594.46 = 515,354.40 : x - Step 2: Convert to fraction form
801,336.24/1,106,594.46 = 515,354.40/x - Step 3: Cross multiply
801,336.24x = 1,106,594.46 × 515,354.40 - Step 4: Simplify right side
801,336.24x = 570,288,323,976.62 - Step 5: Solve for x
x = 570,288,323,976.62/801,336.24 - Step 6: Final answer
x = 711,671.70
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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.