Finding the Fourth Proportional to 801,550.14, 1,106,888.40 and 515,566.68
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Solution
The fourth proportional to 801,550.14, 1,106,888.40 and 515,566.68 is: 711,963.92
Step by Step Solution
- Step 1: Write the proportion equation
801,550.14 : 1,106,888.40 = 515,566.68 : x - Step 2: Convert to fraction form
801,550.14/1,106,888.40 = 515,566.68/x - Step 3: Cross multiply
801,550.14x = 1,106,888.40 × 515,566.68 - Step 4: Simplify right side
801,550.14x = 570,674,777,518.51 - Step 5: Solve for x
x = 570,674,777,518.51/801,550.14 - Step 6: Final answer
x = 711,963.92
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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.