Finding the Fourth Proportional to 1,010,580.63, 1,394,602.48 and 557,871.63
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Solution
The fourth proportional to 1,010,580.63, 1,394,602.48 and 557,871.63 is: 769,863.52
Step by Step Solution
- Step 1: Write the proportion equation
1,010,580.63 : 1,394,602.48 = 557,871.63 : x - Step 2: Convert to fraction form
1,010,580.63/1,394,602.48 = 557,871.63/x - Step 3: Cross multiply
1,010,580.63x = 1,394,602.48 × 557,871.63 - Step 4: Simplify right side
1,010,580.63x = 778,009,158,719.64 - Step 5: Solve for x
x = 778,009,158,719.64/1,010,580.63 - Step 6: Final answer
x = 769,863.52
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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.