Finding the Fourth Proportional to 608,128.84, 839,241.47 and 403,827.49
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Solution
The fourth proportional to 608,128.84, 839,241.47 and 403,827.49 is: 557,297.65
Step by Step Solution
- Step 1: Write the proportion equation
608,128.84 : 839,241.47 = 403,827.49 : x - Step 2: Convert to fraction form
608,128.84/839,241.47 = 403,827.49/x - Step 3: Cross multiply
608,128.84x = 839,241.47 × 403,827.49 - Step 4: Simplify right side
608,128.84x = 338,908,776,334.01 - Step 5: Solve for x
x = 338,908,776,334.01/608,128.84 - Step 6: Final answer
x = 557,297.65
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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.