Finding the Fourth Proportional to 918,475.54, 1,377,238.66 and 412,603.99
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Solution
The fourth proportional to 918,475.54, 1,377,238.66 and 412,603.99 is: 618,692.76
Step by Step Solution
- Step 1: Write the proportion equation
918,475.54 : 1,377,238.66 = 412,603.99 : x - Step 2: Convert to fraction form
918,475.54/1,377,238.66 = 412,603.99/x - Step 3: Cross multiply
918,475.54x = 1,377,238.66 × 412,603.99 - Step 4: Simplify right side
918,475.54x = 568,254,166,298.25 - Step 5: Solve for x
x = 568,254,166,298.25/918,475.54 - Step 6: Final answer
x = 618,692.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.