Finding the Fourth Proportional to 926,869.73, 1,390,567.64 and 477,918.05
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Solution
The fourth proportional to 926,869.73, 1,390,567.64 and 477,918.05 is: 717,012.71
Step by Step Solution
- Step 1: Write the proportion equation
926,869.73 : 1,390,567.64 = 477,918.05 : x - Step 2: Convert to fraction form
926,869.73/1,390,567.64 = 477,918.05/x - Step 3: Cross multiply
926,869.73x = 1,390,567.64 × 477,918.05 - Step 4: Simplify right side
926,869.73x = 664,577,372,512.31 - Step 5: Solve for x
x = 664,577,372,512.31/926,869.73 - Step 6: Final answer
x = 717,012.71
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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.