Finding the Fourth Proportional to 893,567.70, 1,340,351.55 and 395,903.70
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Solution
The fourth proportional to 893,567.70, 1,340,351.55 and 395,903.70 is: 593,855.55
Step by Step Solution
- Step 1: Write the proportion equation
893,567.70 : 1,340,351.55 = 395,903.70 : x - Step 2: Convert to fraction form
893,567.70/1,340,351.55 = 395,903.70/x - Step 3: Cross multiply
893,567.70x = 1,340,351.55 × 395,903.70 - Step 4: Simplify right side
893,567.70x = 530,650,137,945.74 - Step 5: Solve for x
x = 530,650,137,945.74/893,567.70 - Step 6: Final answer
x = 593,855.55
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1.5x scale
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.