Finding the Fourth Proportional to 660,327.15, 909,619.14 and 563,214.63
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Solution
The fourth proportional to 660,327.15, 909,619.14 and 563,214.63 is: 775,843.92
Step by Step Solution
- Step 1: Write the proportion equation
660,327.15 : 909,619.14 = 563,214.63 : x - Step 2: Convert to fraction form
660,327.15/909,619.14 = 563,214.63/x - Step 3: Cross multiply
660,327.15x = 909,619.14 × 563,214.63 - Step 4: Simplify right side
660,327.15x = 512,310,807,376.02 - Step 5: Solve for x
x = 512,310,807,376.02/660,327.15 - Step 6: Final answer
x = 775,843.92
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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.