Finding the Fourth Proportional to 801,262.08, 1,106,490.96 and 515,278.62
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Solution
The fourth proportional to 801,262.08, 1,106,490.96 and 515,278.62 is: 711,566.35
Step by Step Solution
- Step 1: Write the proportion equation
801,262.08 : 1,106,490.96 = 515,278.62 : x - Step 2: Convert to fraction form
801,262.08/1,106,490.96 = 515,278.62/x - Step 3: Cross multiply
801,262.08x = 1,106,490.96 × 515,278.62 - Step 4: Simplify right side
801,262.08x = 570,151,134,911.28 - Step 5: Solve for x
x = 570,151,134,911.28/801,262.08 - Step 6: Final answer
x = 711,566.35
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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.