Finding the Fourth Proportional to 606,853.44, 909,998.55 and 354,206.68
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Solution
The fourth proportional to 606,853.44, 909,998.55 and 354,206.68 is: 531,145.65
Step by Step Solution
- Step 1: Write the proportion equation
606,853.44 : 909,998.55 = 354,206.68 : x - Step 2: Convert to fraction form
606,853.44/909,998.55 = 354,206.68/x - Step 3: Cross multiply
606,853.44x = 909,998.55 × 354,206.68 - Step 4: Simplify right side
606,853.44x = 322,327,562,925.32 - Step 5: Solve for x
x = 322,327,562,925.32/606,853.44 - Step 6: Final answer
x = 531,145.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.