Finding the Fourth Proportional to 556,852.84, 768,457.32 and 302,203.96
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Solution
The fourth proportional to 556,852.84, 768,457.32 and 302,203.96 is: 417,041.68
Step by Step Solution
- Step 1: Write the proportion equation
556,852.84 : 768,457.32 = 302,203.96 : x - Step 2: Convert to fraction form
556,852.84/768,457.32 = 302,203.96/x - Step 3: Cross multiply
556,852.84x = 768,457.32 × 302,203.96 - Step 4: Simplify right side
556,852.84x = 232,230,845,194.99 - Step 5: Solve for x
x = 232,230,845,194.99/556,852.84 - Step 6: Final answer
x = 417,041.68
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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.